139522674 has 16 divisors (see below), whose sum is σ = 279518400. Its totient is φ = 46428720.

The previous prime is 139522627. The next prime is 139522697. The reversal of 139522674 is 476225931.

It is a super-2 number, since 2×139522674² = 38933153120220552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15817 + ... + 23004.

It is an arithmetic number, because the mean of its divisors is an integer number (17469900).

Almost surely, 2^139522674 is an apocalyptic number.

139522674 is an abundant number, since it is smaller than the sum of its proper divisors (139995726).

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

139522674 is a wasteful number, since it uses less digits than its factorization.

139522674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39425.

The product of its digits is 90720, while the sum is 39.

The square root of 139522674 is about 11811.9716389771. The cubic root of 139522674 is about 518.6586162344.

The spelling of 139522674 in words is "one hundred thirty-nine million, five hundred twenty-two thousand, six hundred seventy-four".