137552656 has 10 divisors (see below), whose sum is σ = 266508302. Its totient is φ = 68776320.

The previous prime is 137552641. The next prime is 137552671. The reversal of 137552656 is 656255731.

It is an interprime number because it is at equal distance from previous prime (137552641) and next prime (137552671).

It can be written as a sum of positive squares in only one way, i.e., 129049600 + 8503056 = 11360^2 + 2916^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4298505 + ... + 4298536.

Almost surely, 2^137552656 is an apocalyptic number.

137552656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137552656 is a deficient number, since it is larger than the sum of its proper divisors (128955646).

137552656 is an equidigital number, since it uses as much as digits as its factorization.

137552656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8597049 (or 8597043 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 137552656 is about 11728.2844440268. The cubic root of 137552656 is about 516.2059350672.

The spelling of 137552656 in words is "one hundred thirty-seven million, five hundred fifty-two thousand, six hundred fifty-six".