135708861313 has 2 divisors, whose sum is σ = 135708861314. Its totient is φ = 135708861312.

The previous prime is 135708861311. The next prime is 135708861341. The reversal of 135708861313 is 313168807531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86290237504 + 49418623809 = 293752^2 + 222303^2 .

It is a cyclic number.

It is not a de Polignac number, because 135708861313 - 2¹ = 135708861311 is a prime.

Together with 135708861311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (135708861311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67854430656 + 67854430657.

It is an arithmetic number, because the mean of its divisors is an integer number (67854430657).

Almost surely, 2^135708861313 is an apocalyptic number.

It is an amenable number.

135708861313 is a deficient number, since it is larger than the sum of its proper divisors (1).

135708861313 is an equidigital number, since it uses as much as digits as its factorization.

135708861313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 135708861313 in words is "one hundred thirty-five billion, seven hundred eight million, eight hundred sixty-one thousand, three hundred thirteen".