135071090 has 96 divisors (see below), whose sum is σ = 314399232. Its totient is φ = 40867200.

The previous prime is 135071077. The next prime is 135071107. The reversal of 135071090 is 90170531.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313175 + ... + 313605.

It is an arithmetic number, because the mean of its divisors is an integer number (3274992).

Almost surely, 2^135071090 is an apocalyptic number.

135071090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135071090 is an abundant number, since it is smaller than the sum of its proper divisors (179328142).

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

135071090 is a wasteful number, since it uses less digits than its factorization.

135071090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 135071090 is about 11622.0088624988. The cubic root of 135071090 is about 513.0828142685.

The spelling of 135071090 in words is "one hundred thirty-five million, seventy-one thousand, ninety".