13265540235 has 32 divisors (see below), whose sum is σ = 23982912000. Its totient is φ = 6955036128.

The previous prime is 13265540203. The next prime is 13265540261. The reversal of 13265540235 is 53204556231.

13265540235 is a `hidden beast` number, since 1 + 32 + 65 + 540 + 23 + 5 = 666.

It is not a de Polignac number, because 13265540235 - 2⁵ = 13265540203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13265540235.

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, 824775 + ... + 840704.

It is an arithmetic number, because the mean of its divisors is an integer number (749466000).

Almost surely, 2^13265540235 is an apocalyptic number.

13265540235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13265540235 is a deficient number, since it is larger than the sum of its proper divisors (10717371765).

13265540235 is a wasteful number, since it uses less digits than its factorization.

13265540235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665552 (or 1665546 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 13265540235 in words is "thirteen billion, two hundred sixty-five million, five hundred forty thousand, two hundred thirty-five".