135345510631 has 2 divisors, whose sum is σ = 135345510632. Its totient is φ = 135345510630.

The previous prime is 135345510607. The next prime is 135345510667. The reversal of 135345510631 is 136015543531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135345510631 - 2¹¹ = 135345508583 is a prime.

It is a super-2 number, since 2×135345510631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135345510331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67672755315 + 67672755316.

It is an arithmetic number, because the mean of its divisors is an integer number (67672755316).

Almost surely, 2^135345510631 is an apocalyptic number.

135345510631 is a deficient number, since it is larger than the sum of its proper divisors (1).

135345510631 is an equidigital number, since it uses as much as digits as its factorization.

135345510631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 135345510631 in words is "one hundred thirty-five billion, three hundred forty-five million, five hundred ten thousand, six hundred thirty-one".