135294163231 has 2 divisors, whose sum is σ = 135294163232. Its totient is φ = 135294163230.

The previous prime is 135294163181. The next prime is 135294163237. The reversal of 135294163231 is 132361492531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135294163231 - 2⁹ = 135294162719 is a prime.

It is a super-2 number, since 2×135294163231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135294163237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67647081615 + 67647081616.

It is an arithmetic number, because the mean of its divisors is an integer number (67647081616).

Almost surely, 2^135294163231 is an apocalyptic number.

135294163231 is a deficient number, since it is larger than the sum of its proper divisors (1).

135294163231 is an equidigital number, since it uses as much as digits as its factorization.

135294163231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The spelling of 135294163231 in words is "one hundred thirty-five billion, two hundred ninety-four million, one hundred sixty-three thousand, two hundred thirty-one".