135017838861 has 8 divisors (see below), whose sum is σ = 184414609344. Its totient is φ = 87816480480.

The previous prime is 135017838859. The next prime is 135017838953. The reversal of 135017838861 is 168838710531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135017838861 - 2¹ = 135017838859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135017838661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548852881 + ... + 548853126.

It is an arithmetic number, because the mean of its divisors is an integer number (23051826168).

Almost surely, 2^135017838861 is an apocalyptic number.

It is an amenable number.

135017838861 is a deficient number, since it is larger than the sum of its proper divisors (49396770483).

135017838861 is a wasteful number, since it uses less digits than its factorization.

135017838861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097706051.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 135017838861 in words is "one hundred thirty-five billion, seventeen million, eight hundred thirty-eight thousand, eight hundred sixty-one".