13975420936 has 16 divisors (see below), whose sum is σ = 26229797100. Its totient is φ = 6980808384.

The previous prime is 13975420933. The next prime is 13975420969. The reversal of 13975420936 is 63902457931.

It can be written as a sum of positive squares in 2 ways, for example, as 11988936036 + 1986484900 = 109494^2 + 44570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13975420936.

It is not an unprimeable number, because it can be changed into a prime (13975420933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854151 + ... + 870358.

Almost surely, 2^13975420936 is an apocalyptic number.

It is an amenable number.

13975420936 is a deficient number, since it is larger than the sum of its proper divisors (12254376164).

13975420936 is a wasteful number, since it uses less digits than its factorization.

13975420936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725528 (or 1725524 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 13975420936 in words is "thirteen billion, nine hundred seventy-five million, four hundred twenty thousand, nine hundred thirty-six".