135682557 has 8 divisors (see below), whose sum is σ = 181031520. Its totient is φ = 90394320.

The previous prime is 135682549. The next prime is 135682577. The reversal of 135682557 is 755286531.

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

It is not a de Polignac number, because 135682557 - 2³ = 135682549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135682517) 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, 9682 + ... + 19107.

It is an arithmetic number, because the mean of its divisors is an integer number (22628940).

Almost surely, 2^135682557 is an apocalyptic number.

It is an amenable number.

135682557 is a deficient number, since it is larger than the sum of its proper divisors (45348963).

135682557 is a wasteful number, since it uses less digits than its factorization.

135682557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30363.

The product of its digits is 252000, while the sum is 42.

The square root of 135682557 is about 11648.2855820073. The cubic root of 135682557 is about 513.8558910552.

The spelling of 135682557 in words is "one hundred thirty-five million, six hundred eighty-two thousand, five hundred fifty-seven".