135895725 has 60 divisors (see below), whose sum is σ = 287716704. Its totient is φ = 62117280.

The previous prime is 135895679. The next prime is 135895757. The reversal of 135895725 is 527598531.

135895725 is a `hidden beast` number, since 13 + 589 + 57 + 2 + 5 = 666.

It is not a de Polignac number, because 135895725 - 2⁷ = 135895597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 59 ways as a sum of consecutive naturals, for example, 9382 + ... + 18968.

Almost surely, 2^135895725 is an apocalyptic number.

135895725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135895725 is an abundant number, since it is smaller than the sum of its proper divisors (151820979).

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

135895725 is an equidigital number, since it uses as much as digits as its factorization.

135895725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616 (or 9602 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The square root of 135895725 is about 11657.4321786575. The cubic root of 135895725 is about 514.1248529639.

The spelling of 135895725 in words is "one hundred thirty-five million, eight hundred ninety-five thousand, seven hundred twenty-five".