135696090 has 32 divisors (see below), whose sum is σ = 339831936. Its totient is φ = 34612160.

The previous prime is 135696079. The next prime is 135696103. The reversal of 135696090 is 90696531.

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 15 ways as a sum of consecutive naturals, for example, 97641 + ... + 99020.

It is an arithmetic number, because the mean of its divisors is an integer number (10619748).

Almost surely, 2^135696090 is an apocalyptic number.

135696090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135696090 is an abundant number, since it is smaller than the sum of its proper divisors (204135846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135696090 is a wasteful number, since it uses less digits than its factorization.

135696090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196694.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 135696090 is about 11648.8664684595. The cubic root of 135696090 is about 513.8729745103.

The spelling of 135696090 in words is "one hundred thirty-five million, six hundred ninety-six thousand, ninety".