135195939 has 32 divisors (see below), whose sum is σ = 204441600. Its totient is φ = 88283520.

The previous prime is 135195919. The next prime is 135195943. The reversal of 135195939 is 939591531.

It is a happy number.

135195939 is a `hidden beast` number, since 1 + 3 + 51 + 9 + 593 + 9 = 666.

It is not a de Polignac number, because 135195939 - 2¹² = 135191843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135195894 and 135195903.

It is not an unprimeable number, because it can be changed into a prime (135195919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513922 + ... + 514184.

It is an arithmetic number, because the mean of its divisors is an integer number (6388800).

Almost surely, 2^135195939 is an apocalyptic number.

135195939 is a deficient number, since it is larger than the sum of its proper divisors (69245661).

135195939 is a wasteful number, since it uses less digits than its factorization.

135195939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 586 counting only the distinct ones).

The product of its digits is 164025, while the sum is 45.

The square root of 135195939 is about 11627.3788533788. The cubic root of 135195939 is about 513.2408499363.

The spelling of 135195939 in words is "one hundred thirty-five million, one hundred ninety-five thousand, nine hundred thirty-nine".