139246922 has 16 divisors (see below), whose sum is σ = 225469440. Its totient is φ = 64299312.

The previous prime is 139246909. The next prime is 139246931. The reversal of 139246922 is 229642931.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 50858 + ... + 53525.

It is an arithmetic number, because the mean of its divisors is an integer number (14091840).

Almost surely, 2^139246922 is an apocalyptic number.

139246922 is a deficient number, since it is larger than the sum of its proper divisors (86222518).

139246922 is a wasteful number, since it uses less digits than its factorization.

139246922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104437.

The product of its digits is 46656, while the sum is 38.

The square root of 139246922 is about 11800.2933014396. The cubic root of 139246922 is about 518.3166993441.

The spelling of 139246922 in words is "one hundred thirty-nine million, two hundred forty-six thousand, nine hundred twenty-two".