13144820635 has 16 divisors (see below), whose sum is σ = 16616172960. Its totient is φ = 9955077120.

The previous prime is 13144820627. The next prime is 13144820657. The reversal of 13144820635 is 53602844131.

It is not a de Polignac number, because 13144820635 - 2³ = 13144820627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13144820594 and 13144820603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81099 + ... + 181291.

It is an arithmetic number, because the mean of its divisors is an integer number (1038510810).

Almost surely, 2^13144820635 is an apocalyptic number.

13144820635 is a deficient number, since it is larger than the sum of its proper divisors (3471352325).

13144820635 is a wasteful number, since it uses less digits than its factorization.

13144820635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101598.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 13144820635 in words is "thirteen billion, one hundred forty-four million, eight hundred twenty thousand, six hundred thirty-five".