139341737 has 2 divisors, whose sum is σ = 139341738. Its totient is φ = 139341736.

The previous prime is 139341647. The next prime is 139341757. The reversal of 139341737 is 737143931.

139341737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71048041 + 68293696 = 8429^2 + 8264^2 .

It is a cyclic number.

It is not a de Polignac number, because 139341737 - 2²⁴ = 122564521 is a prime.

It is a super-2 number, since 2×139341737² = 38832239340354338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139341737.

It is not a weakly prime, because it can be changed into another prime (139341757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69670868 + 69670869.

It is an arithmetic number, because the mean of its divisors is an integer number (69670869).

Almost surely, 2^139341737 is an apocalyptic number.

It is an amenable number.

139341737 is a deficient number, since it is larger than the sum of its proper divisors (1).

139341737 is an equidigital number, since it uses as much as digits as its factorization.

139341737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 38.

The square root of 139341737 is about 11804.3101026701. The cubic root of 139341737 is about 518.4343154634.

The spelling of 139341737 in words is "one hundred thirty-nine million, three hundred forty-one thousand, seven hundred thirty-seven".