13745975131 has 4 divisors (see below), whose sum is σ = 15709685872. Its totient is φ = 11782264392.

The previous prime is 13745975123. The next prime is 13745975137. The reversal of 13745975131 is 13157954731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13157954731 = 79 ⋅166556389.

It is a cyclic number.

It is not a de Polignac number, because 13745975131 - 2³ = 13745975123 is a prime.

It is a super-2 number, since 2×13745975131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13745975137) 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, 981855360 + ... + 981855373.

It is an arithmetic number, because the mean of its divisors is an integer number (3927421468).

Almost surely, 2^13745975131 is an apocalyptic number.

13745975131 is a deficient number, since it is larger than the sum of its proper divisors (1963710741).

13745975131 is an equidigital number, since it uses as much as digits as its factorization.

13745975131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963710740.

The product of its digits is 396900, while the sum is 46.

The spelling of 13745975131 in words is "thirteen billion, seven hundred forty-five million, nine hundred seventy-five thousand, one hundred thirty-one".