137871708 has 48 divisors (see below), whose sum is σ = 349224960. Its totient is φ = 42081984.

The previous prime is 137871689. The next prime is 137871739. The reversal of 137871708 is 807178731.

It is a self number, because there is not a number n which added to its sum of digits gives 137871708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16333 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (7275520).

Almost surely, 2^137871708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137871708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174612480).

137871708 is an abundant number, since it is smaller than the sum of its proper divisors (211353252).

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

137871708 is a wasteful number, since it uses less digits than its factorization.

137871708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106 (or 7104 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 42.

The square root of 137871708 is about 11741.8783846538. The cubic root of 137871708 is about 516.6047383747.

The spelling of 137871708 in words is "one hundred thirty-seven million, eight hundred seventy-one thousand, seven hundred eight".