139223884 has 12 divisors (see below), whose sum is σ = 243763408. Its totient is φ = 69577200.

The previous prime is 139223881. The next prime is 139223891. The reversal of 139223884 is 488322931.

It is not an unprimeable number, because it can be changed into a prime (139223881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714 + ... + 16774.

Almost surely, 2^139223884 is an apocalyptic number.

It is an amenable number.

139223884 is a deficient number, since it is larger than the sum of its proper divisors (104539524).

139223884 is a wasteful number, since it uses less digits than its factorization.

139223884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376 (or 17374 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 139223884 is about 11799.3170988833. The cubic root of 139223884 is about 518.2881131019.

The spelling of 139223884 in words is "one hundred thirty-nine million, two hundred twenty-three thousand, eight hundred eighty-four".