135688410563 has 2 divisors, whose sum is σ = 135688410564. Its totient is φ = 135688410562.

The previous prime is 135688410551. The next prime is 135688410647. The reversal of 135688410563 is 365014886531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135688410563 - 2⁴ = 135688410547 is a prime.

It is a super-2 number, since 2×135688410563² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (135688410163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67844205281 + 67844205282.

It is an arithmetic number, because the mean of its divisors is an integer number (67844205282).

Almost surely, 2^135688410563 is an apocalyptic number.

135688410563 is a deficient number, since it is larger than the sum of its proper divisors (1).

135688410563 is an equidigital number, since it uses as much as digits as its factorization.

135688410563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 135688410563 in words is "one hundred thirty-five billion, six hundred eighty-eight million, four hundred ten thousand, five hundred sixty-three".