135539049 has 8 divisors (see below), whose sum is σ = 180841600. Its totient is φ = 90297936.

The previous prime is 135539021. The next prime is 135539101. The reversal of 135539049 is 940935531.

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

It is not a de Polignac number, because 135539049 - 2⁵ = 135539017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135538998 and 135539016.

It is not an unprimeable number, because it can be changed into a prime (135539149) 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, 9937 + ... + 19230.

It is an arithmetic number, because the mean of its divisors is an integer number (22605200).

Almost surely, 2^135539049 is an apocalyptic number.

It is an amenable number.

135539049 is a deficient number, since it is larger than the sum of its proper divisors (45302551).

135539049 is a wasteful number, since it uses less digits than its factorization.

135539049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30719.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 135539049 is about 11642.1239041680. The cubic root of 135539049 is about 513.6746630314.

It can be divided in two parts, 1355 and 39049, that added together give a palindrome (40404).

The spelling of 135539049 in words is "one hundred thirty-five million, five hundred thirty-nine thousand, forty-nine".