135013657 has 8 divisors (see below), whose sum is σ = 143882496. Its totient is φ = 126394752.

The previous prime is 135013651. The next prime is 135013661. The reversal of 135013657 is 756310531.

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

It is a de Polignac number, because none of the positive numbers 2^k-135013657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135013651) 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, 61368 + ... + 63529.

It is an arithmetic number, because the mean of its divisors is an integer number (17985312).

Almost surely, 2^135013657 is an apocalyptic number.

It is an amenable number.

135013657 is a deficient number, since it is larger than the sum of its proper divisors (8868839).

135013657 is a wasteful number, since it uses less digits than its factorization.

135013657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124967.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 135013657 is about 11619.5377274658. The cubic root of 135013657 is about 513.0100820431.

The spelling of 135013657 in words is "one hundred thirty-five million, thirteen thousand, six hundred fifty-seven".