135028250 has 128 divisors (see below), whose sum is σ = 316293120. Its totient is φ = 42120000.

The previous prime is 135028183. The next prime is 135028261. The reversal of 135028250 is 52820531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1030685 + ... + 1030815.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^135028250 is an apocalyptic number.

135028250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135028250 is an abundant number, since it is smaller than the sum of its proper divisors (181264870).

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

135028250 is a wasteful number, since it uses less digits than its factorization.

135028250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 135028250 is about 11620.1656614697. The cubic root of 135028250 is about 513.0285643373.

Adding to 135028250 its reverse (52820531), we get a palindrome (187848781).

The spelling of 135028250 in words is "one hundred thirty-five million, twenty-eight thousand, two hundred fifty".