13090918402 has 4 divisors (see below), whose sum is σ = 19636377606. Its totient is φ = 6545459200.

The previous prime is 13090918387. The next prime is 13090918417. The reversal of 13090918402 is 20481909031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20481909031 = 757 ⋅27056683.

It is an interprime number because it is at equal distance from previous prime (13090918387) and next prime (13090918417).

It can be written as a sum of positive squares in only one way, i.e., 13048264441 + 42653961 = 114229^2 + 6531^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272729599 + ... + 3272729602.

Almost surely, 2^13090918402 is an apocalyptic number.

13090918402 is a deficient number, since it is larger than the sum of its proper divisors (6545459204).

13090918402 is an equidigital number, since it uses as much as digits as its factorization.

13090918402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545459203.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 13090918402 in words is "thirteen billion, ninety million, nine hundred eighteen thousand, four hundred two".