135928761 has 8 divisors (see below), whose sum is σ = 181315680. Its totient is φ = 90580512.

The previous prime is 135928757. The next prime is 135928763. The reversal of 135928761 is 167829531.

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

It is not a de Polignac number, because 135928761 - 2² = 135928757 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135928763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (22664460).

Almost surely, 2^135928761 is an apocalyptic number.

It is an amenable number.

135928761 is a deficient number, since it is larger than the sum of its proper divisors (45386919).

135928761 is a wasteful number, since it uses less digits than its factorization.

135928761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335.

The product of its digits is 90720, while the sum is 42.

The square root of 135928761 is about 11658.8490426800. The cubic root of 135928761 is about 514.1665105228.

The spelling of 135928761 in words is "one hundred thirty-five million, nine hundred twenty-eight thousand, seven hundred sixty-one".