135065355631 has 2 divisors, whose sum is σ = 135065355632. Its totient is φ = 135065355630.

The previous prime is 135065355587. The next prime is 135065355679. The reversal of 135065355631 is 136553560531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135065355631 - 2¹⁵ = 135065322863 is a prime.

It is a super-2 number, since 2×135065355631² (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 (135065355031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67532677815 + 67532677816.

It is an arithmetic number, because the mean of its divisors is an integer number (67532677816).

Almost surely, 2^135065355631 is an apocalyptic number.

135065355631 is a deficient number, since it is larger than the sum of its proper divisors (1).

135065355631 is an equidigital number, since it uses as much as digits as its factorization.

135065355631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 607500, while the sum is 43.

The spelling of 135065355631 in words is "one hundred thirty-five billion, sixty-five million, three hundred fifty-five thousand, six hundred thirty-one".