135048857 has 8 divisors (see below), whose sum is σ = 136192200. Its totient is φ = 133910784.

The previous prime is 135048839. The next prime is 135048863. The reversal of 135048857 is 758840531.

It can be written as a sum of positive squares in 4 ways, for example, as 15452761 + 119596096 = 3931^2 + 10936^2 .

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 135048857 - 2⁸ = 135048601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135048457) 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, 62369 + ... + 64497.

It is an arithmetic number, because the mean of its divisors is an integer number (17024025).

Almost surely, 2^135048857 is an apocalyptic number.

It is an amenable number.

135048857 is a deficient number, since it is larger than the sum of its proper divisors (1143343).

135048857 is a wasteful number, since it uses less digits than its factorization.

135048857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 135048857 is about 11621.0523189598. The cubic root of 135048857 is about 513.0546612019.

The spelling of 135048857 in words is "one hundred thirty-five million, forty-eight thousand, eight hundred fifty-seven".