135273810765 has 32 divisors (see below), whose sum is σ = 223950984192. Its totient is φ = 69652800000.

The previous prime is 135273810739. The next prime is 135273810781. The reversal of 135273810765 is 567018372531.

It is not a de Polignac number, because 135273810765 - 2⁸ = 135273810509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149736 + ... + 541265.

It is an arithmetic number, because the mean of its divisors is an integer number (6998468256).

Almost surely, 2^135273810765 is an apocalyptic number.

135273810765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135273810765 is a deficient number, since it is larger than the sum of its proper divisors (88677173427).

135273810765 is a wasteful number, since it uses less digits than its factorization.

135273810765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691461.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 135273810765 in words is "one hundred thirty-five billion, two hundred seventy-three million, eight hundred ten thousand, seven hundred sixty-five".