13001894140 has 24 divisors (see below), whose sum is σ = 28184752512. Its totient is φ = 5032991040.

The previous prime is 13001894093. The next prime is 13001894149. The reversal of 13001894140 is 4149810031.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001894149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10484779 + ... + 10486018.

It is an arithmetic number, because the mean of its divisors is an integer number (1174364688).

Almost surely, 2^13001894140 is an apocalyptic number.

13001894140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001894140 is an abundant number, since it is smaller than the sum of its proper divisors (15182858372).

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

13001894140 is a wasteful number, since it uses less digits than its factorization.

13001894140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20970837 (or 20970835 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 13001894140 in words is "thirteen billion, one million, eight hundred ninety-four thousand, one hundred forty".