13490240188 has 12 divisors (see below), whose sum is σ = 24156942040. Its totient is φ = 6588256752.

The previous prime is 13490240173. The next prime is 13490240243. The reversal of 13490240188 is 88104209431.

It is a self number, because there is not a number n which added to its sum of digits gives 13490240188.

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, 39215643 + ... + 39215986.

Almost surely, 2^13490240188 is an apocalyptic number.

It is an amenable number.

13490240188 is a deficient number, since it is larger than the sum of its proper divisors (10666701852).

13490240188 is a wasteful number, since it uses less digits than its factorization.

13490240188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78431676 (or 78431674 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 13490240188 in words is "thirteen billion, four hundred ninety million, two hundred forty thousand, one hundred eighty-eight".