136609152 has 32 divisors (see below), whose sum is σ = 362869080. Its totient is φ = 45536256.

The previous prime is 136609133. The next prime is 136609177. The reversal of 136609152 is 251906631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177493 + ... + 178260.

Almost surely, 2^136609152 is an apocalyptic number.

136609152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136609152 is an abundant number, since it is smaller than the sum of its proper divisors (226259928).

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

136609152 is an equidigital number, since it uses as much as digits as its factorization.

136609152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355770 (or 355758 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 136609152 is about 11687.9917864448. The cubic root of 136609152 is about 515.0229694094.

The spelling of 136609152 in words is "one hundred thirty-six million, six hundred nine thousand, one hundred fifty-two".