857148136133 has 8 divisors (see below), whose sum is σ = 864580866336. Its totient is φ = 849728885200.

The previous prime is 857148136093. The next prime is 857148136151. The reversal of 857148136133 is 331631841758.

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 857148136133 - 2¹² = 857148132037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857148136433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242066 + ... + 3496467.

It is an arithmetic number, because the mean of its divisors is an integer number (108072608292).

Almost surely, 2^857148136133 is an apocalyptic number.

It is an amenable number.

857148136133 is a deficient number, since it is larger than the sum of its proper divisors (7432730203).

857148136133 is a wasteful number, since it uses less digits than its factorization.

857148136133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739635.

The product of its digits is 1451520, while the sum is 50.

The spelling of 857148136133 in words is "eight hundred fifty-seven billion, one hundred forty-eight million, one hundred thirty-six thousand, one hundred thirty-three".