389127133 has 16 divisors (see below), whose sum is σ = 421977600. Its totient is φ = 357723520.

The previous prime is 389127131. The next prime is 389127143. The reversal of 389127133 is 331721983.

It is a cyclic number.

It is not a de Polignac number, because 389127133 - 2¹ = 389127131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389127092 and 389127101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389127131) 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, 158193 + ... + 160633.

It is an arithmetic number, because the mean of its divisors is an integer number (26373600).

Almost surely, 2^389127133 is an apocalyptic number.

It is an amenable number.

389127133 is a deficient number, since it is larger than the sum of its proper divisors (32850467).

389127133 is a wasteful number, since it uses less digits than its factorization.

389127133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732.

The product of its digits is 27216, while the sum is 37.

The square root of 389127133 is about 19726.3056095154. The cubic root of 389127133 is about 730.0688825974.

The spelling of 389127133 in words is "three hundred eighty-nine million, one hundred twenty-seven thousand, one hundred thirty-three".