136024020 has 72 divisors (see below), whose sum is σ = 450122400. Its totient is φ = 32975040.

The previous prime is 136024013. The next prime is 136024027. The reversal of 136024020 is 20420631.

It is a happy number.

136024020 is a `hidden beast` number, since 1 + 3 + 602 + 40 + 20 = 666.

136024020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136024013) and next prime (136024027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 136023984 and 136024002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136024027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32370 + ... + 36329.

It is an arithmetic number, because the mean of its divisors is an integer number (6251700).

Almost surely, 2^136024020 is an apocalyptic number.

136024020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136024020 is an abundant number, since it is smaller than the sum of its proper divisors (314098380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136024020 is a wasteful number, since it uses less digits than its factorization.

136024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68725 (or 68720 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 136024020 is about 11662.9335932260. The cubic root of 136024020 is about 514.2865919297.

Adding to 136024020 its reverse (20420631), we get a palindrome (156444651).

The spelling of 136024020 in words is "one hundred thirty-six million, twenty-four thousand, twenty".