136733920 has 24 divisors (see below), whose sum is σ = 323034264. Its totient is φ = 54693504.

The previous prime is 136733917. The next prime is 136733929. The reversal of 136733920 is 29337631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136733929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427134 + ... + 427453.

It is an arithmetic number, because the mean of its divisors is an integer number (13459761).

Almost surely, 2^136733920 is an apocalyptic number.

136733920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136733920 is an abundant number, since it is smaller than the sum of its proper divisors (186300344).

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

136733920 is an equidigital number, since it uses as much as digits as its factorization.

136733920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854602 (or 854594 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 136733920 is about 11693.3280121615. The cubic root of 136733920 is about 515.1797154546.

The spelling of 136733920 in words is "one hundred thirty-six million, seven hundred thirty-three thousand, nine hundred twenty".