135506995 has 16 divisors (see below), whose sum is σ = 181157760. Its totient is φ = 96614784.

The previous prime is 135506981. The next prime is 135506999. The reversal of 135506995 is 599605531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135506995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135506999) 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, 34059 + ... + 37828.

It is an arithmetic number, because the mean of its divisors is an integer number (11322360).

Almost surely, 2^135506995 is an apocalyptic number.

135506995 is a deficient number, since it is larger than the sum of its proper divisors (45650765).

135506995 is a wasteful number, since it uses less digits than its factorization.

135506995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71934.

The product of its (nonzero) digits is 182250, while the sum is 43.

The square root of 135506995 is about 11640.7471839225. The cubic root of 135506995 is about 513.6341663974.

The spelling of 135506995 in words is "one hundred thirty-five million, five hundred six thousand, nine hundred ninety-five".