136917312 has 56 divisors (see below), whose sum is σ = 414015936. Its totient is φ = 39118848.

The previous prime is 136917311. The next prime is 136917329. The reversal of 136917312 is 213719631.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136917311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49593 + ... + 52280.

Almost surely, 2^136917312 is an apocalyptic number.

136917312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136917312 is an abundant number, since it is smaller than the sum of its proper divisors (277098624).

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

136917312 is a wasteful number, since it uses less digits than its factorization.

136917312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101895 (or 101885 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 136917312 is about 11701.1671212747. The cubic root of 136917312 is about 515.4099378457.

It can be divided in two parts, 1369 and 17312, that added together give a palindrome (18681).

The spelling of 136917312 in words is "one hundred thirty-six million, nine hundred seventeen thousand, three hundred twelve".