135531713 has 2 divisors, whose sum is σ = 135531714. Its totient is φ = 135531712.

The previous prime is 135531679. The next prime is 135531719. The reversal of 135531713 is 317135531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133911184 + 1620529 = 11572^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 135531713 - 2⁸ = 135531457 is a prime.

It is not a weakly prime, because it can be changed into another prime (135531719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67765856 + 67765857.

It is an arithmetic number, because the mean of its divisors is an integer number (67765857).

Almost surely, 2^135531713 is an apocalyptic number.

It is an amenable number.

135531713 is a deficient number, since it is larger than the sum of its proper divisors (1).

135531713 is an equidigital number, since it uses as much as digits as its factorization.

135531713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4725, while the sum is 29.

The square root of 135531713 is about 11641.8088371181. The cubic root of 135531713 is about 513.6653953817.

The spelling of 135531713 in words is "one hundred thirty-five million, five hundred thirty-one thousand, seven hundred thirteen".