13601436540 has 24 divisors (see below), whose sum is σ = 38084022480. Its totient is φ = 3627049728.

The previous prime is 13601436529. The next prime is 13601436623. The reversal of 13601436540 is 4563410631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113345245 + ... + 113345364.

It is an arithmetic number, because the mean of its divisors is an integer number (1586834270).

Almost surely, 2^13601436540 is an apocalyptic number.

13601436540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601436540 is an abundant number, since it is smaller than the sum of its proper divisors (24482585940).

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

13601436540 is a wasteful number, since it uses less digits than its factorization.

13601436540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226690621 (or 226690619 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 13601436540 in words is "thirteen billion, six hundred one million, four hundred thirty-six thousand, five hundred forty".