136078530 has 64 divisors (see below), whose sum is σ = 385302528. Its totient is φ = 30098880.

The previous prime is 136078493. The next prime is 136078559. The reversal of 136078530 is 35870631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136078491 and 136078500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3942 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (6020352).

Almost surely, 2^136078530 is an apocalyptic number.

136078530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136078530 is an abundant number, since it is smaller than the sum of its proper divisors (249223998).

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

136078530 is a wasteful number, since it uses less digits than its factorization.

136078530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 136078530 is about 11665.2702497628. The cubic root of 136078530 is about 514.3552808231.

The spelling of 136078530 in words is "one hundred thirty-six million, seventy-eight thousand, five hundred thirty".