13904136967 has 4 divisors (see below), whose sum is σ = 15890442256. Its totient is φ = 11917831680.

The previous prime is 13904136959. The next prime is 13904136979. The reversal of 13904136967 is 76963140931.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13904136967 - 2³ = 13904136959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13904136967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904136067) 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, 993152634 + ... + 993152647.

It is an arithmetic number, because the mean of its divisors is an integer number (3972610564).

Almost surely, 2^13904136967 is an apocalyptic number.

13904136967 is a deficient number, since it is larger than the sum of its proper divisors (1986305289).

13904136967 is an equidigital number, since it uses as much as digits as its factorization.

13904136967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986305288.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 13904136967 in words is "thirteen billion, nine hundred four million, one hundred thirty-six thousand, nine hundred sixty-seven".