135351660537 has 12 divisors (see below), whose sum is σ = 196384674304. Its totient is φ = 89829800280.

The previous prime is 135351660527. The next prime is 135351660557. The reversal of 135351660537 is 735066153531.

135351660537 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 5 + 1 + 6 + 605 + 37 = 666.

It is not a de Polignac number, because 135351660537 - 2¹⁸ = 135351398393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135351660492 and 135351660501.

It is not an unprimeable number, because it can be changed into a prime (135351660517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33717889 + ... + 33721902.

Almost surely, 2^135351660537 is an apocalyptic number.

It is an amenable number.

135351660537 is a deficient number, since it is larger than the sum of its proper divisors (61033013767).

135351660537 is a wasteful number, since it uses less digits than its factorization.

135351660537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67440020 (or 67440017 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 45.

The spelling of 135351660537 in words is "one hundred thirty-five billion, three hundred fifty-one million, six hundred sixty thousand, five hundred thirty-seven".