135580235567 has 24 divisors (see below), whose sum is σ = 162312034464. Its totient is φ = 112837862592.

The previous prime is 135580235521. The next prime is 135580235579. The reversal of 135580235567 is 765532085531.

It is not a de Polignac number, because 135580235567 - 2⁸ = 135580235311 is a prime.

It is a super-2 number, since 2×135580235567² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135580237567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 806153 + ... + 959709.

It is an arithmetic number, because the mean of its divisors is an integer number (6763001436).

Almost surely, 2^135580235567 is an apocalyptic number.

135580235567 is a deficient number, since it is larger than the sum of its proper divisors (26731798897).

135580235567 is a wasteful number, since it uses less digits than its factorization.

135580235567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154095 (or 154088 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 135580235567 in words is "one hundred thirty-five billion, five hundred eighty million, two hundred thirty-five thousand, five hundred sixty-seven".