13078026442 has 8 divisors (see below), whose sum is σ = 21126042756. Its totient is φ = 6036012192.

The previous prime is 13078026421. The next prime is 13078026443. The reversal of 13078026442 is 24462087031.

It can be written as a sum of positive squares in 2 ways, for example, as 12305686761 + 772339681 = 110931^2 + 27791^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13078026443) 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, 251500483 + ... + 251500534.

Almost surely, 2^13078026442 is an apocalyptic number.

13078026442 is a deficient number, since it is larger than the sum of its proper divisors (8048016314).

13078026442 is a wasteful number, since it uses less digits than its factorization.

13078026442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503001032.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 13078026442 in words is "thirteen billion, seventy-eight million, twenty-six thousand, four hundred forty-two".