139622371 has 16 divisors (see below), whose sum is σ = 162100224. Its totient is φ = 117792864.

The previous prime is 139622363. The next prime is 139622381. The reversal of 139622371 is 173226931.

139622371 = T₂₂₆ + T₂₂₇ + ... + T₉₄₆.

It is not a de Polignac number, because 139622371 - 2³ = 139622363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139622321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141546 + ... + 142528.

It is an arithmetic number, because the mean of its divisors is an integer number (10131264).

Almost surely, 2^139622371 is an apocalyptic number.

139622371 is a deficient number, since it is larger than the sum of its proper divisors (22477853).

139622371 is a wasteful number, since it uses less digits than its factorization.

139622371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its digits is 13608, while the sum is 34.

The square root of 139622371 is about 11816.1910529578. The cubic root of 139622371 is about 518.7821239893.

The spelling of 139622371 in words is "one hundred thirty-nine million, six hundred twenty-two thousand, three hundred seventy-one".