38131320772154 has 16 divisors (see below), whose sum is σ = 58528070441280. Its totient is φ = 18621978002880.

The previous prime is 38131320772109. The next prime is 38131320772163. The reversal of 38131320772154 is 45127702313183.

It is a junction number, because it is equal to n+sod(n) for n = 38131320772099 and 38131320772108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000594 + ... + 8959074.

It is an arithmetic number, because the mean of its divisors is an integer number (3658004402580).

Almost surely, 2^{38131320772154} is an apocalyptic number.

38131320772154 is a deficient number, since it is larger than the sum of its proper divisors (20396749669126).

38131320772154 is a wasteful number, since it uses less digits than its factorization.

38131320772154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022245.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 38131320772154 in words is "thirty-eight trillion, one hundred thirty-one billion, three hundred twenty million, seven hundred seventy-two thousand, one hundred fifty-four".