135298271131 has 2 divisors, whose sum is σ = 135298271132. Its totient is φ = 135298271130.

The previous prime is 135298271117. The next prime is 135298271137. The reversal of 135298271131 is 131172892531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135298271131 - 2²⁷ = 135164053403 is a prime.

It is a super-2 number, since 2×135298271131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135298271137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67649135565 + 67649135566.

It is an arithmetic number, because the mean of its divisors is an integer number (67649135566).

Almost surely, 2^135298271131 is an apocalyptic number.

135298271131 is a deficient number, since it is larger than the sum of its proper divisors (1).

135298271131 is an equidigital number, since it uses as much as digits as its factorization.

135298271131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The spelling of 135298271131 in words is "one hundred thirty-five billion, two hundred ninety-eight million, two hundred seventy-one thousand, one hundred thirty-one".