135135580 has 24 divisors (see below), whose sum is σ = 296124192. Its totient is φ = 51703872.

The previous prime is 135135577. The next prime is 135135589. The reversal of 135135580 is 85531531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135135589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146427 + ... + 147346.

It is an arithmetic number, because the mean of its divisors is an integer number (12338508).

Almost surely, 2^135135580 is an apocalyptic number.

135135580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135135580 is an abundant number, since it is smaller than the sum of its proper divisors (160988612).

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

135135580 is a wasteful number, since it uses less digits than its factorization.

135135580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293805 (or 293803 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 135135580 is about 11624.7830087275. The cubic root of 135135580 is about 513.1644587960.

The spelling of 135135580 in words is "one hundred thirty-five million, one hundred thirty-five thousand, five hundred eighty".