139364744 has 16 divisors (see below), whose sum is σ = 264246300. Its totient is φ = 68899072.

The previous prime is 139364737. The next prime is 139364761. The reversal of 139364744 is 447463931.

It can be written as a sum of positive squares in 2 ways, for example, as 138344644 + 1020100 = 11762^2 + 1010^2 .

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, 97157 + ... + 98580.

Almost surely, 2^139364744 is an apocalyptic number.

It is an amenable number.

139364744 is a deficient number, since it is larger than the sum of its proper divisors (124881556).

139364744 is a wasteful number, since it uses less digits than its factorization.

139364744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195832 (or 195828 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 139364744 is about 11805.2845793738. The cubic root of 139364744 is about 518.4628471442.

The spelling of 139364744 in words is "one hundred thirty-nine million, three hundred sixty-four thousand, seven hundred forty-four".