13900006494 has 48 divisors (see below), whose sum is σ = 32882479344. Its totient is φ = 4208544000.

The previous prime is 13900006481. The next prime is 13900006511. The reversal of 13900006494 is 49460000931.

13900006494 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 0 + 0 + 0 + 649 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208572 + ... + 267024.

It is an arithmetic number, because the mean of its divisors is an integer number (685051653).

Almost surely, 2^13900006494 is an apocalyptic number.

13900006494 is an abundant number, since it is smaller than the sum of its proper divisors (18982472850).

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

13900006494 is a wasteful number, since it uses less digits than its factorization.

13900006494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59673 (or 59670 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 13900006494 in words is "thirteen billion, nine hundred million, six thousand, four hundred ninety-four".