139234244 has 12 divisors (see below), whose sum is σ = 243763884. Its totient is φ = 69587424.

The previous prime is 139234229. The next prime is 139234259. The reversal of 139234244 is 442432931.

It is an interprime number because it is at equal distance from previous prime (139234229) and next prime (139234259).

It can be written as a sum of positive squares in 2 ways, for example, as 132526144 + 6708100 = 11512^2 + 2590^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139234244.

It is an unprimeable number.

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, 5702 + ... + 17634.

It is an arithmetic number, because the mean of its divisors is an integer number (20313657).

Almost surely, 2^139234244 is an apocalyptic number.

It is an amenable number.

139234244 is a deficient number, since it is larger than the sum of its proper divisors (104529640).

139234244 is a wasteful number, since it uses less digits than its factorization.

139234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854 (or 14852 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 139234244 is about 11799.7560991743. The cubic root of 139234244 is about 518.3009684912.

The spelling of 139234244 in words is "one hundred thirty-nine million, two hundred thirty-four thousand, two hundred forty-four".