135660250 has 32 divisors (see below), whose sum is σ = 277048512. Its totient is φ = 49330000.

The previous prime is 135660211. The next prime is 135660269. The reversal of 135660250 is 52066531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21916 + ... + 27415.

It is an arithmetic number, because the mean of its divisors is an integer number (8657766).

Almost surely, 2^135660250 is an apocalyptic number.

135660250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135660250 is an abundant number, since it is smaller than the sum of its proper divisors (141388262).

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

135660250 is a wasteful number, since it uses less digits than its factorization.

135660250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49359 (or 49349 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 135660250 is about 11647.3280197649. The cubic root of 135660250 is about 513.8277292147.

The spelling of 135660250 in words is "one hundred thirty-five million, six hundred sixty thousand, two hundred fifty".