13890177338 has 8 divisors (see below), whose sum is σ = 20848076832. Its totient is φ = 6940818396.

The previous prime is 13890177337. The next prime is 13890177391. The reversal of 13890177338 is 83377109831.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13890177337) 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, 2131070 + ... + 2137577.

It is an arithmetic number, because the mean of its divisors is an integer number (2606009604).

Almost surely, 2^13890177338 is an apocalyptic number.

13890177338 is a deficient number, since it is larger than the sum of its proper divisors (6957899494).

13890177338 is a wasteful number, since it uses less digits than its factorization.

13890177338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270276.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 13890177338 in words is "thirteen billion, eight hundred ninety million, one hundred seventy-seven thousand, three hundred thirty-eight".