139737652 has 6 divisors (see below), whose sum is σ = 244540898. Its totient is φ = 69868824.

The previous prime is 139737643. The next prime is 139737667. The reversal of 139737652 is 256737931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 110965156 + 28772496 = 10534^2 + 5364^2 .

It is a super-2 number, since 2×139737652² = 39053222772946208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139737599 and 139737608.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 17467203 + ... + 17467210.

Almost surely, 2^139737652 is an apocalyptic number.

It is an amenable number.

139737652 is a deficient number, since it is larger than the sum of its proper divisors (104803246).

139737652 is a wasteful number, since it uses less digits than its factorization.

139737652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34934417 (or 34934415 counting only the distinct ones).

The product of its digits is 238140, while the sum is 43.

The square root of 139737652 is about 11821.0681412468. The cubic root of 139737652 is about 518.9248644144.

The spelling of 139737652 in words is "one hundred thirty-nine million, seven hundred thirty-seven thousand, six hundred fifty-two".