135211035939 has 32 divisors (see below), whose sum is σ = 215019715584. Its totient is φ = 73895310720.

The previous prime is 135211035937. The next prime is 135211035959. The reversal of 135211035939 is 939530112531.

It is not a de Polignac number, because 135211035939 - 2¹ = 135211035937 is a prime.

It is a super-2 number, since 2×135211035939² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135211035939.

It is not an unprimeable number, because it can be changed into a prime (135211035937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7497297 + ... + 7515309.

It is an arithmetic number, because the mean of its divisors is an integer number (6719366112).

Almost surely, 2^135211035939 is an apocalyptic number.

135211035939 is a deficient number, since it is larger than the sum of its proper divisors (79808679645).

135211035939 is a wasteful number, since it uses less digits than its factorization.

135211035939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33587.

The product of its (nonzero) digits is 109350, while the sum is 42.

The spelling of 135211035939 in words is "one hundred thirty-five billion, two hundred eleven million, thirty-five thousand, nine hundred thirty-nine".