135518688963 has 48 divisors (see below), whose sum is σ = 236671552000. Its totient is φ = 72994711680.

The previous prime is 135518688923. The next prime is 135518689037. The reversal of 135518688963 is 369886815531.

135518688963 is a `hidden beast` number, since 1 + 35 + 518 + 6 + 8 + 89 + 6 + 3 = 666.

It is not a de Polignac number, because 135518688963 - 2¹⁰ = 135518687939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135518688963.

It is not an unprimeable number, because it can be changed into a prime (135518688913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46258 + ... + 522663.

Almost surely, 2^135518688963 is an apocalyptic number.

135518688963 is a deficient number, since it is larger than the sum of its proper divisors (101152863037).

135518688963 is a wasteful number, since it uses less digits than its factorization.

135518688963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569152 (or 569149 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 63.

The spelling of 135518688963 in words is "one hundred thirty-five billion, five hundred eighteen million, six hundred eighty-eight thousand, nine hundred sixty-three".