135900750 has 32 divisors (see below), whose sum is σ = 339210144. Its totient is φ = 36240000.

The previous prime is 135900727. The next prime is 135900781. The reversal of 135900750 is 57009531.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89851 + ... + 91350.

It is an arithmetic number, because the mean of its divisors is an integer number (10600317).

Almost surely, 2^135900750 is an apocalyptic number.

135900750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135900750 is an abundant number, since it is smaller than the sum of its proper divisors (203309394).

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

135900750 is a wasteful number, since it uses less digits than its factorization.

135900750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181221 (or 181211 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 135900750 is about 11657.6477044042. The cubic root of 135900750 is about 514.1311897969.

The spelling of 135900750 in words is "one hundred thirty-five million, nine hundred thousand, seven hundred fifty".