136815696 has 40 divisors (see below), whose sum is σ = 392712960. Its totient is φ = 45605088.

The previous prime is 136815683. The next prime is 136815697. The reversal of 136815696 is 696518631.

136815696 is a `hidden beast` number, since 1 + 3 + 6 + 81 + 569 + 6 = 666.

136815696 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136815697) 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, 157920 + ... + 158783.

It is an arithmetic number, because the mean of its divisors is an integer number (9817824).

Almost surely, 2^136815696 is an apocalyptic number.

136815696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136815696 is an abundant number, since it is smaller than the sum of its proper divisors (255897264).

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

136815696 is a wasteful number, since it uses less digits than its factorization.

136815696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316720 (or 316708 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 136815696 is about 11696.8241843673. The cubic root of 136815696 is about 515.2823989255.

The spelling of 136815696 in words is "one hundred thirty-six million, eight hundred fifteen thousand, six hundred ninety-six".