139713953 has 2 divisors, whose sum is σ = 139713954. Its totient is φ = 139713952.

The previous prime is 139713943. The next prime is 139713971. The reversal of 139713953 is 359317931.

139713953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 64770304 = 8657^2 + 8048^2 .

It is a cyclic number.

It is not a de Polignac number, because 139713953 - 2²⁰ = 138665377 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139713953.

It is not a weakly prime, because it can be changed into another prime (139713913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69856976 + 69856977.

It is an arithmetic number, because the mean of its divisors is an integer number (69856977).

Almost surely, 2^139713953 is an apocalyptic number.

It is an amenable number.

139713953 is a deficient number, since it is larger than the sum of its proper divisors (1).

139713953 is an equidigital number, since it uses as much as digits as its factorization.

139713953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76545, while the sum is 41.

The square root of 139713953 is about 11820.0656935569. The cubic root of 139713953 is about 518.8955268296.

The spelling of 139713953 in words is "one hundred thirty-nine million, seven hundred thirteen thousand, nine hundred fifty-three".