135523111376 has 20 divisors (see below), whose sum is σ = 278021677572. Its totient is φ = 63775581696.

The previous prime is 135523111357. The next prime is 135523111433. The reversal of 135523111376 is 673111325531.

It can be written as a sum of positive squares in 2 ways, for example, as 78556878400 + 56966232976 = 280280^2 + 238676^2 .

It is a super-2 number, since 2×135523111376² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249123095 + ... + 249123638.

Almost surely, 2^135523111376 is an apocalyptic number.

135523111376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135523111376 is an abundant number, since it is smaller than the sum of its proper divisors (142498566196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135523111376 is a wasteful number, since it uses less digits than its factorization.

135523111376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498246758 (or 498246752 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The spelling of 135523111376 in words is "one hundred thirty-five billion, five hundred twenty-three million, one hundred eleven thousand, three hundred seventy-six".