135155139 has 16 divisors (see below), whose sum is σ = 206330880. Its totient is φ = 77088960.

The previous prime is 135155131. The next prime is 135155143. The reversal of 135155139 is 931551531.

It is not a de Polignac number, because 135155139 - 2³ = 135155131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135155131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6294 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (12895680).

Almost surely, 2^135155139 is an apocalyptic number.

135155139 is a deficient number, since it is larger than the sum of its proper divisors (71175741).

135155139 is a wasteful number, since it uses less digits than its factorization.

135155139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890.

The product of its digits is 10125, while the sum is 33.

The square root of 135155139 is about 11625.6242413042. The cubic root of 135155139 is about 513.1892154132.

The spelling of 135155139 in words is "one hundred thirty-five million, one hundred fifty-five thousand, one hundred thirty-nine".