139856074 has 16 divisors (see below), whose sum is σ = 221266080. Its totient is φ = 66115440.

The previous prime is 139856069. The next prime is 139856089. The reversal of 139856074 is 470658931.

It is a self number, because there is not a number n which added to its sum of digits gives 139856074.

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, 17157 + ... + 23959.

It is an arithmetic number, because the mean of its divisors is an integer number (13829130).

Almost surely, 2^139856074 is an apocalyptic number.

139856074 is a deficient number, since it is larger than the sum of its proper divisors (81410006).

139856074 is a wasteful number, since it uses less digits than its factorization.

139856074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7365.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 139856074 is about 11826.0760186970. The cubic root of 139856074 is about 519.0714122923.

The spelling of 139856074 in words is "one hundred thirty-nine million, eight hundred fifty-six thousand, seventy-four".