135203090 has 48 divisors (see below), whose sum is σ = 274544640. Its totient is φ = 47541600.

The previous prime is 135203077. The next prime is 135203113. The reversal of 135203090 is 90302531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105071 + ... + 106349.

It is an arithmetic number, because the mean of its divisors is an integer number (5719680).

Almost surely, 2^135203090 is an apocalyptic number.

135203090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135203090 is an abundant number, since it is smaller than the sum of its proper divisors (139341550).

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

135203090 is a wasteful number, since it uses less digits than its factorization.

135203090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 135203090 is about 11627.6863562791. The cubic root of 135203090 is about 513.2498988289.

The spelling of 135203090 in words is "one hundred thirty-five million, two hundred three thousand, ninety".