136987333924 has 27 divisors (see below), whose sum is σ = 278877621393. Its totient is φ = 58706636688.

The previous prime is 136987333867. The next prime is 136987333993. The reversal of 136987333924 is 429333789631.

It is a happy number.

The square root of 136987333924 is 370118.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 114075062500 + 22912271424 = 337750^2 + 151368^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5168434 + ... + 5194870.

Almost surely, 2^136987333924 is an apocalyptic number.

136987333924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136987333924 is the 370118-th square number.

It is an amenable number.

136987333924 is an abundant number, since it is smaller than the sum of its proper divisors (141890287469).

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

136987333924 is an frugal number, since it uses more digits than its factorization.

136987333924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52892 (or 26446 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 58.

The spelling of 136987333924 in words is "one hundred thirty-six billion, nine hundred eighty-seven million, three hundred thirty-three thousand, nine hundred twenty-four".