137431708 has 12 divisors (see below), whose sum is σ = 240932160. Its totient is φ = 68593952.

The previous prime is 137431699. The next prime is 137431729. The reversal of 137431708 is 807134731.

137431708 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27916 + ... + 32467.

It is an arithmetic number, because the mean of its divisors is an integer number (20077680).

Almost surely, 2^137431708 is an apocalyptic number.

It is an amenable number.

137431708 is a deficient number, since it is larger than the sum of its proper divisors (103500452).

137431708 is a wasteful number, since it uses less digits than its factorization.

137431708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60956 (or 60954 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 137431708 is about 11723.1270572318. The cubic root of 137431708 is about 516.0545933064.

It can be divided in two parts, 13743 and 1708, that added together give a palindrome (15451).

The spelling of 137431708 in words is "one hundred thirty-seven million, four hundred thirty-one thousand, seven hundred eight".