135691245692 has 12 divisors (see below), whose sum is σ = 239561093856. Its totient is φ = 67245218880.

The previous prime is 135691245689. The next prime is 135691245721. The reversal of 135691245692 is 296542196531.

It is a happy number.

It is a super-2 number, since 2×135691245692² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150100484 + ... + 150101387.

It is an arithmetic number, because the mean of its divisors is an integer number (19963424488).

Almost surely, 2^135691245692 is an apocalyptic number.

It is an amenable number.

135691245692 is a deficient number, since it is larger than the sum of its proper divisors (103869848164).

135691245692 is a wasteful number, since it uses less digits than its factorization.

135691245692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300201988 (or 300201986 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 53.

The spelling of 135691245692 in words is "one hundred thirty-five billion, six hundred ninety-one million, two hundred forty-five thousand, six hundred ninety-two".