13959890146 has 8 divisors (see below), whose sum is σ = 20977030224. Its totient is φ = 6967546740.

The previous prime is 13959890137. The next prime is 13959890149. The reversal of 13959890146 is 64109895931.

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

It is not an unprimeable number, because it can be changed into a prime (13959890149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6197760 + ... + 6200011.

It is an arithmetic number, because the mean of its divisors is an integer number (2622128778).

Almost surely, 2^13959890146 is an apocalyptic number.

13959890146 is a deficient number, since it is larger than the sum of its proper divisors (7017140078).

13959890146 is a wasteful number, since it uses less digits than its factorization.

13959890146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12398336.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 13959890146 in words is "thirteen billion, nine hundred fifty-nine million, eight hundred ninety thousand, one hundred forty-six".