13491140390 has 32 divisors (see below), whose sum is σ = 29888066880. Its totient is φ = 4269723264.

The previous prime is 13491140359. The next prime is 13491140419. The reversal of 13491140390 is 9304119431.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 13491140390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7411805 + ... + 7413624.

It is an arithmetic number, because the mean of its divisors is an integer number (934002090).

Almost surely, 2^13491140390 is an apocalyptic number.

13491140390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13491140390 is an abundant number, since it is smaller than the sum of its proper divisors (16396926490).

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

13491140390 is a wasteful number, since it uses less digits than its factorization.

13491140390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14825456.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 13491140390 in words is "thirteen billion, four hundred ninety-one million, one hundred forty thousand, three hundred ninety".