136609752 has 32 divisors (see below), whose sum is σ = 342774000. Its totient is φ = 45369984.

The previous prime is 136609741. The next prime is 136609763. The reversal of 136609752 is 257906631.

136609752 is digitally balanced in base 2, because in such base 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 (136609741) and next prime (136609763).

It is a self number, because there is not a number n which added to its sum of digits gives 136609752.

It is a congruent number.

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, 3627 + ... + 16922.

Almost surely, 2^136609752 is an apocalyptic number.

136609752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136609752 is an abundant number, since it is smaller than the sum of its proper divisors (206164248).

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

136609752 is a wasteful number, since it uses less digits than its factorization.

136609752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835 (or 20831 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 136609752 is about 11688.0174537857. The cubic root of 136609752 is about 515.0237234178.

The spelling of 136609752 in words is "one hundred thirty-six million, six hundred nine thousand, seven hundred fifty-two".