135752725 has 12 divisors (see below), whose sum is σ = 170364096. Its totient is φ = 107292080.

The previous prime is 135752723. The next prime is 135752737. The reversal of 135752725 is 527257531.

It is not a de Polignac number, because 135752725 - 2¹ = 135752723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135752723) 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, 30637 + ... + 34786.

It is an arithmetic number, because the mean of its divisors is an integer number (14197008).

Almost surely, 2^135752725 is an apocalyptic number.

It is an amenable number.

135752725 is a deficient number, since it is larger than the sum of its proper divisors (34611371).

135752725 is an equidigital number, since it uses as much as digits as its factorization.

135752725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65516 (or 65511 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 135752725 is about 11651.2971380872. The cubic root of 135752725 is about 513.9444556855.

The spelling of 135752725 in words is "one hundred thirty-five million, seven hundred fifty-two thousand, seven hundred twenty-five".