135164990 has 16 divisors (see below), whose sum is σ = 245049840. Its totient is φ = 53676480.

The previous prime is 135164989. The next prime is 135165007. The reversal of 135164990 is 99461531.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47231 + ... + 50010.

It is an arithmetic number, because the mean of its divisors is an integer number (15315615).

Almost surely, 2^135164990 is an apocalyptic number.

135164990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135164990 is a deficient number, since it is larger than the sum of its proper divisors (109884850).

135164990 is a wasteful number, since it uses less digits than its factorization.

135164990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97387.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 135164990 is about 11626.0479097585. The cubic root of 135164990 is about 513.2016833178.

The spelling of 135164990 in words is "one hundred thirty-five million, one hundred sixty-four thousand, nine hundred ninety".