135779122475 has 12 divisors (see below), whose sum is σ = 169438512384. Its totient is φ = 107931426720.

The previous prime is 135779122469. The next prime is 135779122511. The reversal of 135779122475 is 574221977531.

It is a happy number.

It is not a de Polignac number, because 135779122475 - 2⁶ = 135779122411 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17292779 + ... + 17300628.

It is an arithmetic number, because the mean of its divisors is an integer number (14119876032).

Almost surely, 2^135779122475 is an apocalyptic number.

135779122475 is a deficient number, since it is larger than the sum of its proper divisors (33659389909).

135779122475 is a wasteful number, since it uses less digits than its factorization.

135779122475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34593574 (or 34593569 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 53.

The spelling of 135779122475 in words is "one hundred thirty-five billion, seven hundred seventy-nine million, one hundred twenty-two thousand, four hundred seventy-five".