85143968133 has 16 divisors (see below), whose sum is σ = 129789304320. Its totient is φ = 48636403056.

The previous prime is 85143968113. The next prime is 85143968137. The reversal of 85143968133 is 33186934158.

It is not a de Polignac number, because 85143968133 - 2⁹ = 85143967621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85143968137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659935 + ... + 778332.

It is an arithmetic number, because the mean of its divisors is an integer number (8111831520).

Almost surely, 2^85143968133 is an apocalyptic number.

It is an amenable number.

85143968133 is a deficient number, since it is larger than the sum of its proper divisors (44645336187).

85143968133 is a wasteful number, since it uses less digits than its factorization.

85143968133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441096.

The product of its digits is 1866240, while the sum is 51.

The spelling of 85143968133 in words is "eighty-five billion, one hundred forty-three million, nine hundred sixty-eight thousand, one hundred thirty-three".