13040813158 has 4 divisors (see below), whose sum is σ = 19561219740. Its totient is φ = 6520406578.

The previous prime is 13040813147. The next prime is 13040813161. The reversal of 13040813158 is 85131804031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3260203288 + ... + 3260203291.

It is an arithmetic number, because the mean of its divisors is an integer number (4890304935).

Almost surely, 2^13040813158 is an apocalyptic number.

13040813158 is a deficient number, since it is larger than the sum of its proper divisors (6520406582).

13040813158 is an equidigital number, since it uses as much as digits as its factorization.

13040813158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520406581.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 13040813158 in words is "thirteen billion, forty million, eight hundred thirteen thousand, one hundred fifty-eight".