135779535 has 48 divisors (see below), whose sum is σ = 245127168. Its totient is φ = 69451200.

The previous prime is 135779531. The next prime is 135779549. The reversal of 135779535 is 535977531.

It is not a de Polignac number, because 135779535 - 2² = 135779531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135779531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182374 + ... + 183116.

It is an arithmetic number, because the mean of its divisors is an integer number (5106816).

Almost surely, 2^135779535 is an apocalyptic number.

135779535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135779535 is a deficient number, since it is larger than the sum of its proper divisors (109347633).

135779535 is a wasteful number, since it uses less digits than its factorization.

135779535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its digits is 496125, while the sum is 45.

The square root of 135779535 is about 11652.4475969643. The cubic root of 135779535 is about 513.9782866672.

The spelling of 135779535 in words is "one hundred thirty-five million, seven hundred seventy-nine thousand, five hundred thirty-five".