135155449 has 8 divisors (see below), whose sum is σ = 158784192. Its totient is φ = 113417040.

The previous prime is 135155441. The next prime is 135155477. The reversal of 135155449 is 944551531.

135155449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 135155449 - 2³ = 135155441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135155441) 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, 472429 + ... + 472714.

It is an arithmetic number, because the mean of its divisors is an integer number (19848024).

Almost surely, 2^135155449 is an apocalyptic number.

It is an amenable number.

135155449 is a deficient number, since it is larger than the sum of its proper divisors (23628743).

135155449 is a wasteful number, since it uses less digits than its factorization.

135155449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945167.

The product of its digits is 54000, while the sum is 37.

The square root of 135155449 is about 11625.6375739140. The cubic root of 135155449 is about 513.1896077735.

The spelling of 135155449 in words is "one hundred thirty-five million, one hundred fifty-five thousand, four hundred forty-nine".