135617609975 has 24 divisors (see below), whose sum is σ = 177181135872. Its totient is φ = 102769365600.

The previous prime is 135617609971. The next prime is 135617609977. The reversal of 135617609975 is 579906716531.

It is not a de Polignac number, because 135617609975 - 2² = 135617609971 is a prime.

It is a super-2 number, since 2×135617609975² (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 (135617609971) 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, 1085711 + ... + 1204160.

It is an arithmetic number, because the mean of its divisors is an integer number (7382547328).

Almost surely, 2^135617609975 is an apocalyptic number.

135617609975 is a deficient number, since it is larger than the sum of its proper divisors (41563525897).

135617609975 is a wasteful number, since it uses less digits than its factorization.

135617609975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290007 (or 2290002 counting only the distinct ones).

The product of its (nonzero) digits is 10716300, while the sum is 59.

The spelling of 135617609975 in words is "one hundred thirty-five billion, six hundred seventeen million, six hundred nine thousand, nine hundred seventy-five".