137856874 has 8 divisors (see below), whose sum is σ = 208718208. Its totient is φ = 68284140.

The previous prime is 137856847. The next prime is 137856877. The reversal of 137856874 is 478658731.

It is a happy number.

137856874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (137856877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321882 + ... + 322309.

It is an arithmetic number, because the mean of its divisors is an integer number (26089776).

Almost surely, 2^137856874 is an apocalyptic number.

137856874 is a deficient number, since it is larger than the sum of its proper divisors (70861334).

137856874 is a wasteful number, since it uses less digits than its factorization.

137856874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644300.

The product of its digits is 1128960, while the sum is 49.

The square root of 137856874 is about 11741.2466970079. The cubic root of 137856874 is about 516.5862100640.

The spelling of 137856874 in words is "one hundred thirty-seven million, eight hundred fifty-six thousand, eight hundred seventy-four".