136918392 has 48 divisors (see below), whose sum is σ = 370662840. Its totient is φ = 42127488.

The previous prime is 136918387. The next prime is 136918399. The reversal of 136918392 is 293819631.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136918399) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12823 + ... + 20934.

Almost surely, 2^136918392 is an apocalyptic number.

136918392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136918392 is an abundant number, since it is smaller than the sum of its proper divisors (233744448).

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

136918392 is a wasteful number, since it uses less digits than its factorization.

136918392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33792 (or 33775 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 136918392 is about 11701.2132704263. The cubic root of 136918392 is about 515.4112930219.

The spelling of 136918392 in words is "one hundred thirty-six million, nine hundred eighteen thousand, three hundred ninety-two".