13875001320 has 32 divisors (see below), whose sum is σ = 41625004320. Its totient is φ = 3700000320.

The previous prime is 13875001291. The next prime is 13875001331. The reversal of 13875001320 is 2310057831.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 57812386 + ... + 57812625.

It is an arithmetic number, because the mean of its divisors is an integer number (1300781385).

Almost surely, 2^13875001320 is an apocalyptic number.

13875001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13875001320 is an abundant number, since it is smaller than the sum of its proper divisors (27750003000).

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

13875001320 is a wasteful number, since it uses less digits than its factorization.

13875001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115625025 (or 115625021 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 13875001320 in words is "thirteen billion, eight hundred seventy-five million, one thousand, three hundred twenty".