13890803494 has 8 divisors (see below), whose sum is σ = 21742127280. Its totient is φ = 6643427736.

The previous prime is 13890803489. The next prime is 13890803497. The reversal of 13890803494 is 49430809831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13890803494³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890803497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150986949 + ... + 150987040.

It is an arithmetic number, because the mean of its divisors is an integer number (2717765910).

Almost surely, 2^13890803494 is an apocalyptic number.

13890803494 is a deficient number, since it is larger than the sum of its proper divisors (7851323786).

13890803494 is a wasteful number, since it uses less digits than its factorization.

13890803494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301974014.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 13890803494 in words is "thirteen billion, eight hundred ninety million, eight hundred three thousand, four hundred ninety-four".