13356790191 has 16 divisors (see below), whose sum is σ = 19808903520. Its totient is φ = 8895047040.

The previous prime is 13356790171. The next prime is 13356790193. The reversal of 13356790191 is 19109765331.

It is a happy number.

It is not a de Polignac number, because 13356790191 - 2⁶ = 13356790127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13356790193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237450 + ... + 288263.

It is an arithmetic number, because the mean of its divisors is an integer number (1238056470).

Almost surely, 2^13356790191 is an apocalyptic number.

13356790191 is a deficient number, since it is larger than the sum of its proper divisors (6452113329).

13356790191 is an equidigital number, since it uses as much as digits as its factorization.

13356790191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526663 (or 526657 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The spelling of 13356790191 in words is "thirteen billion, three hundred fifty-six million, seven hundred ninety thousand, one hundred ninety-one".