13938665154 has 16 divisors (see below), whose sum is σ = 28838617920. Its totient is φ = 4486007120.

The previous prime is 13938665119. The next prime is 13938665173. The reversal of 13938665154 is 45156683931.

It is a junction number, because it is equal to n+sod(n) for n = 13938665097 and 13938665106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40053462 + ... + 40053809.

It is an arithmetic number, because the mean of its divisors is an integer number (1802413620).

Almost surely, 2^13938665154 is an apocalyptic number.

13938665154 is an abundant number, since it is smaller than the sum of its proper divisors (14899952766).

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

13938665154 is a wasteful number, since it uses less digits than its factorization.

13938665154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80107305.

The product of its digits is 2332800, while the sum is 51.

The spelling of 13938665154 in words is "thirteen billion, nine hundred thirty-eight million, six hundred sixty-five thousand, one hundred fifty-four".