5135507191 has 2 divisors, whose sum is σ = 5135507192. Its totient is φ = 5135507190.

The previous prime is 5135507171. The next prime is 5135507233. The reversal of 5135507191 is 1917055315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5135507191 - 2²⁷ = 5001289463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5135507191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5135507141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2567753595 + 2567753596.

It is an arithmetic number, because the mean of its divisors is an integer number (2567753596).

Almost surely, 2^5135507191 is an apocalyptic number.

5135507191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135507191 is an equidigital number, since it uses as much as digits as its factorization.

5135507191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 37.

The square root of 5135507191 is about 71662.4531466793. The cubic root of 5135507191 is about 1725.2860623116.

The spelling of 5135507191 in words is "five billion, one hundred thirty-five million, five hundred seven thousand, one hundred ninety-one".