135725633 has 8 divisors (see below), whose sum is σ = 138549096. Its totient is φ = 132912000.

The previous prime is 135725617. The next prime is 135725641. The reversal of 135725633 is 336527531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 95491984 + 40233649 = 9772^2 + 6343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135725633 - 2⁴ = 135725617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135725593 and 135725602.

It is not an unprimeable number, because it can be changed into a prime (135725333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29723 + ... + 33983.

It is an arithmetic number, because the mean of its divisors is an integer number (17318637).

Almost surely, 2^135725633 is an apocalyptic number.

It is an amenable number.

135725633 is a deficient number, since it is larger than the sum of its proper divisors (2823463).

135725633 is an equidigital number, since it uses as much as digits as its factorization.

135725633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915.

The product of its digits is 56700, while the sum is 35.

The square root of 135725633 is about 11650.1344627433. The cubic root of 135725633 is about 513.9102643287.

The spelling of 135725633 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, six hundred thirty-three".