135238650 has 24 divisors (see below), whose sum is σ = 335392224. Its totient is φ = 36063600.

The previous prime is 135238633. The next prime is 135238651. The reversal of 135238650 is 56832531.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135238651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450646 + ... + 450945.

It is an arithmetic number, because the mean of its divisors is an integer number (13974676).

Almost surely, 2^135238650 is an apocalyptic number.

135238650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135238650 is an abundant number, since it is smaller than the sum of its proper divisors (200153574).

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

135238650 is a wasteful number, since it uses less digits than its factorization.

135238650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901606 (or 901601 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 135238650 is about 11629.2153647613. The cubic root of 135238650 is about 513.2948918010.

The spelling of 135238650 in words is "one hundred thirty-five million, two hundred thirty-eight thousand, six hundred fifty".