13420134191 has 2 divisors, whose sum is σ = 13420134192. Its totient is φ = 13420134190.

The previous prime is 13420134181. The next prime is 13420134229. The reversal of 13420134191 is 19143102431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13420134191 - 2¹⁸ = 13419872047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13420134121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710067095 + 6710067096.

It is an arithmetic number, because the mean of its divisors is an integer number (6710067096).

Almost surely, 2^13420134191 is an apocalyptic number.

13420134191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420134191 is an equidigital number, since it uses as much as digits as its factorization.

13420134191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 13420134191 in words is "thirteen billion, four hundred twenty million, one hundred thirty-four thousand, one hundred ninety-one".