135534657 has 8 divisors (see below), whose sum is σ = 190224160. Its totient is φ = 85600800.

The previous prime is 135534649. The next prime is 135534671. The reversal of 135534657 is 756435531.

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

It is not a de Polignac number, because 135534657 - 2³ = 135534649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135534617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188844 + ... + 1188957.

It is an arithmetic number, because the mean of its divisors is an integer number (23778020).

Almost surely, 2^135534657 is an apocalyptic number.

It is an amenable number.

135534657 is a deficient number, since it is larger than the sum of its proper divisors (54689503).

135534657 is a wasteful number, since it uses less digits than its factorization.

135534657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377823.

The product of its digits is 189000, while the sum is 39.

The square root of 135534657 is about 11641.9352772638. The cubic root of 135534657 is about 513.6691146095.

The spelling of 135534657 in words is "one hundred thirty-five million, five hundred thirty-four thousand, six hundred fifty-seven".