13145625138 has 8 divisors (see below), whose sum is σ = 26291250288. Its totient is φ = 4381875044.

The previous prime is 13145625067. The next prime is 13145625149. The reversal of 13145625138 is 83152654131.

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

13145625138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13145625096 and 13145625105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095468756 + ... + 1095468767.

It is an arithmetic number, because the mean of its divisors is an integer number (3286406286).

Almost surely, 2^13145625138 is an apocalyptic number.

13145625138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13145625138 is a wasteful number, since it uses less digits than its factorization.

13145625138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190937528.

The product of its digits is 86400, while the sum is 39.

The spelling of 13145625138 in words is "thirteen billion, one hundred forty-five million, six hundred twenty-five thousand, one hundred thirty-eight".