136373824 has 56 divisors (see below), whose sum is σ = 277108920. Its totient is φ = 66576384.

The previous prime is 136373803. The next prime is 136373833. The reversal of 136373824 is 428373631.

It can be written as a sum of positive squares in 4 ways, for example, as 21455424 + 114918400 = 4632^2 + 10720^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788202 + ... + 788374.

Almost surely, 2^136373824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136373824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138554460).

136373824 is an abundant number, since it is smaller than the sum of its proper divisors (140735096).

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

136373824 is a wasteful number, since it uses less digits than its factorization.

136373824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 397 counting only the distinct ones).

The product of its digits is 72576, while the sum is 37.

The square root of 136373824 is about 11677.9203628043. The cubic root of 136373824 is about 514.7270668670.

The spelling of 136373824 in words is "one hundred thirty-six million, three hundred seventy-three thousand, eight hundred twenty-four".