13543745900 has 36 divisors (see below), whose sum is σ = 29422387680. Its totient is φ = 5411515200.

The previous prime is 13543745879. The next prime is 13543745903. The reversal of 13543745900 is 954734531.

It is not an unprimeable number, because it can be changed into a prime (13543745903) 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, 16766 + ... + 165434.

Almost surely, 2^13543745900 is an apocalyptic number.

13543745900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13543745900 is an abundant number, since it is smaller than the sum of its proper divisors (15878641780).

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

13543745900 is a wasteful number, since it uses less digits than its factorization.

13543745900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149594 (or 149587 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 13543745900 in words is "thirteen billion, five hundred forty-three million, seven hundred forty-five thousand, nine hundred".