136496920 has 32 divisors (see below), whose sum is σ = 350992800. Its totient is φ = 46798848.

The previous prime is 136496909. The next prime is 136496923. The reversal of 136496920 is 29694631.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136496923) 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, 243465 + ... + 244024.

It is an arithmetic number, because the mean of its divisors is an integer number (10968525).

Almost surely, 2^136496920 is an apocalyptic number.

136496920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136496920 is an abundant number, since it is smaller than the sum of its proper divisors (214495880).

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

136496920 is a wasteful number, since it uses less digits than its factorization.

136496920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487507 (or 487503 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 136496920 is about 11683.1896329727. The cubic root of 136496920 is about 514.8818907836.

The spelling of 136496920 in words is "one hundred thirty-six million, four hundred ninety-six thousand, nine hundred twenty".