136831696 has 10 divisors (see below), whose sum is σ = 265111442. Its totient is φ = 68415840.

The previous prime is 136831687. The next prime is 136831699. The reversal of 136831696 is 696138631.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 876096 = 11660^2 + 936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136831699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275975 + ... + 4276006.

Almost surely, 2^136831696 is an apocalyptic number.

136831696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136831696 is a deficient number, since it is larger than the sum of its proper divisors (128279746).

136831696 is an equidigital number, since it uses as much as digits as its factorization.

136831696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551989 (or 8551983 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 136831696 is about 11697.5081107046. The cubic root of 136831696 is about 515.3024848203.

The spelling of 136831696 in words is "one hundred thirty-six million, eight hundred thirty-one thousand, six hundred ninety-six".