136312530 has 16 divisors (see below), whose sum is σ = 327150144. Its totient is φ = 36350000.

The previous prime is 136312523. The next prime is 136312567. The reversal of 136312530 is 35213631.

It is a happy number.

It is a super-2 number, since 2×136312530² = 37162211670001800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136312530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271846 + ... + 2271905.

It is an arithmetic number, because the mean of its divisors is an integer number (20446884).

Almost surely, 2^136312530 is an apocalyptic number.

136312530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136312530 is an abundant number, since it is smaller than the sum of its proper divisors (190837614).

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

136312530 is a wasteful number, since it uses less digits than its factorization.

136312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543761.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 136312530 is about 11675.2957135997. The cubic root of 136312530 is about 514.6499396300.

It can be divided in two parts, 13631 and 2530, that added together give a palindrome (16161).

The spelling of 136312530 in words is "one hundred thirty-six million, three hundred twelve thousand, five hundred thirty".