136369904 has 30 divisors (see below), whose sum is σ = 290424120. Its totient is φ = 61985440.

The previous prime is 136369873. The next prime is 136369907. The reversal of 136369904 is 409963631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136369907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33284 + ... + 37155.

It is an arithmetic number, because the mean of its divisors is an integer number (9680804).

Almost surely, 2^136369904 is an apocalyptic number.

It is an amenable number.

136369904 is an abundant number, since it is smaller than the sum of its proper divisors (154054216).

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

136369904 is a wasteful number, since it uses less digits than its factorization.

136369904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70469 (or 70452 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 136369904 is about 11677.7525234953. The cubic root of 136369904 is about 514.7221349591.

The spelling of 136369904 in words is "one hundred thirty-six million, three hundred sixty-nine thousand, nine hundred four".