139481922 has 8 divisors (see below), whose sum is σ = 278963856. Its totient is φ = 46493972.

The previous prime is 139481917. The next prime is 139481933. The reversal of 139481922 is 229184931.

It is a sphenic number, since it is the product of 3 distinct primes.

139481922 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11623488 + ... + 11623499.

It is an arithmetic number, because the mean of its divisors is an integer number (34870482).

Almost surely, 2^139481922 is an apocalyptic number.

139481922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139481922 is a wasteful number, since it uses less digits than its factorization.

139481922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23246992.

The product of its digits is 31104, while the sum is 39.

The square root of 139481922 is about 11810.2464834566. The cubic root of 139481922 is about 518.6081144449.

The spelling of 139481922 in words is "one hundred thirty-nine million, four hundred eighty-one thousand, nine hundred twenty-two".