137681552 has 20 divisors (see below), whose sum is σ = 267780480. Its totient is φ = 68576928.

The previous prime is 137681539. The next prime is 137681563. The reversal of 137681552 is 255186731.

137681552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137681552² = 37912419522257408, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 12152 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (13389024).

Almost surely, 2^137681552 is an apocalyptic number.

It is an amenable number.

137681552 is a deficient number, since it is larger than the sum of its proper divisors (130098928).

137681552 is a wasteful number, since it uses less digits than its factorization.

137681552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32990 (or 32984 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 137681552 is about 11733.7782491404. The cubic root of 137681552 is about 516.3671245098.

It can be divided in two parts, 1376 and 81552, that added together give a palindrome (82928).

The spelling of 137681552 in words is "one hundred thirty-seven million, six hundred eighty-one thousand, five hundred fifty-two".