13291920148 has 12 divisors (see below), whose sum is σ = 25050157300. Its totient is φ = 6134732352.

The previous prime is 13291920143. The next prime is 13291920157. The reversal of 13291920148 is 84102919231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4471329424 + 8820590724 = 66868^2 + 93918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13291920148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13291920143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127806873 + ... + 127806976.

Almost surely, 2^13291920148 is an apocalyptic number.

It is an amenable number.

13291920148 is a deficient number, since it is larger than the sum of its proper divisors (11758237152).

13291920148 is a wasteful number, since it uses less digits than its factorization.

13291920148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255613866 (or 255613864 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 13291920148 in words is "thirteen billion, two hundred ninety-one million, nine hundred twenty thousand, one hundred forty-eight".