137632256 has 20 divisors (see below), whose sum is σ = 274996722. Its totient is φ = 68815872.

The previous prime is 137632247. The next prime is 137632273. The reversal of 137632256 is 652236731.

It can be written as a sum of positive squares in only one way, i.e., 125798656 + 11833600 = 11216^2 + 3440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133895 + ... + 134918.

Almost surely, 2^137632256 is an apocalyptic number.

137632256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137632256 is a deficient number, since it is larger than the sum of its proper divisors (137364466).

137632256 is an frugal number, since it uses more digits than its factorization.

137632256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268831 (or 268815 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 137632256 is about 11731.6774589144. The cubic root of 137632256 is about 516.3054898367.

Adding to 137632256 its reverse (652236731), we get a palindrome (789868987).

The spelling of 137632256 in words is "one hundred thirty-seven million, six hundred thirty-two thousand, two hundred fifty-six".