135990995 has 32 divisors (see below), whose sum is σ = 190771200. Its totient is φ = 91143936.

The previous prime is 135990937. The next prime is 135990997. The reversal of 135990995 is 599099531.

It is a cyclic number.

It is not a de Polignac number, because 135990995 - 2¹² = 135986899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135990997) 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, 378626 + ... + 378984.

It is an arithmetic number, because the mean of its divisors is an integer number (5961600).

Almost surely, 2^135990995 is an apocalyptic number.

135990995 is a deficient number, since it is larger than the sum of its proper divisors (54780205).

135990995 is a wasteful number, since it uses less digits than its factorization.

135990995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587.

The product of its (nonzero) digits is 492075, while the sum is 50.

The square root of 135990995 is about 11661.5176971096. The cubic root of 135990995 is about 514.2449676896.

The spelling of 135990995 in words is "one hundred thirty-five million, nine hundred ninety thousand, nine hundred ninety-five".