135477353665 has 64 divisors (see below), whose sum is σ = 183451392000. Its totient is φ = 95566141440.

The previous prime is 135477353657. The next prime is 135477353681. The reversal of 135477353665 is 566353774531.

It is not a de Polignac number, because 135477353665 - 2³ = 135477353657 is a prime.

It is a super-2 number, since 2×135477353665² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22970997 + ... + 22976893.

It is an arithmetic number, because the mean of its divisors is an integer number (2866428000).

Almost surely, 2^135477353665 is an apocalyptic number.

It is an amenable number.

135477353665 is a deficient number, since it is larger than the sum of its proper divisors (47974038335).

135477353665 is a wasteful number, since it uses less digits than its factorization.

135477353665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6250.

The product of its digits is 23814000, while the sum is 55.

The spelling of 135477353665 in words is "one hundred thirty-five billion, four hundred seventy-seven million, three hundred fifty-three thousand, six hundred sixty-five".