136788936 has 64 divisors (see below), whose sum is σ = 364305600. Its totient is φ = 42651648.

The previous prime is 136788931. The next prime is 136788959. The reversal of 136788936 is 639887631.

It is a super-2 number, since 2×136788936² = 37422426024024192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (136788931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72096 + ... + 73968.

It is an arithmetic number, because the mean of its divisors is an integer number (5692275).

Almost surely, 2^136788936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136788936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182152800).

136788936 is an abundant number, since it is smaller than the sum of its proper divisors (227516664).

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

136788936 is a wasteful number, since it uses less digits than its factorization.

With its successor (136788937) it forms an eRAP, since the sums of their prime factors are consecutive (2078 and 2079).

136788936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2074 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 136788936 is about 11695.6802281868. The cubic root of 136788936 is about 515.2488017664.

The spelling of 136788936 in words is "one hundred thirty-six million, seven hundred eighty-eight thousand, nine hundred thirty-six".