137504232 has 48 divisors (see below), whose sum is σ = 373464000. Its totient is φ = 45704736.

The previous prime is 137504219. The next prime is 137504243. The reversal of 137504232 is 232405731.

137504232 is a `hidden beast` number, since 137 + 504 + 23 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 137504196 and 137504205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24769 + ... + 29807.

It is an arithmetic number, because the mean of its divisors is an integer number (7780500).

Almost surely, 2^137504232 is an apocalyptic number.

137504232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137504232 is an abundant number, since it is smaller than the sum of its proper divisors (235959768).

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

137504232 is a wasteful number, since it uses less digits than its factorization.

137504232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 137504232 is about 11726.2198512564. The cubic root of 137504232 is about 516.1453529580.

Adding to 137504232 its reverse (232405731), we get a palindrome (369909963).

The spelling of 137504232 in words is "one hundred thirty-seven million, five hundred four thousand, two hundred thirty-two".