139464113 has 2 divisors, whose sum is σ = 139464114. Its totient is φ = 139464112.

The previous prime is 139464097. The next prime is 139464119. The reversal of 139464113 is 311464931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108014449 + 31449664 = 10393^2 + 5608^2 .

It is a cyclic number.

It is not a de Polignac number, because 139464113 - 2⁴ = 139464097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 139464113.

It is not a weakly prime, because it can be changed into another prime (139464119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69732056 + 69732057.

It is an arithmetic number, because the mean of its divisors is an integer number (69732057).

Almost surely, 2^139464113 is an apocalyptic number.

It is an amenable number.

139464113 is a deficient number, since it is larger than the sum of its proper divisors (1).

139464113 is an equidigital number, since it uses as much as digits as its factorization.

139464113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 139464113 is about 11809.4924954462. The cubic root of 139464113 is about 518.5860416084.

The spelling of 139464113 in words is "one hundred thirty-nine million, four hundred sixty-four thousand, one hundred thirteen".