933139 has 4 divisors (see below), whose sum is σ = 942480. Its totient is φ = 923800.

The previous prime is 933073. The next prime is 933151. The reversal of 933139 is 931339.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931339 = 23 ⋅40493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-933139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (933199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4519 + ... + 4720.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

2⁹³³¹³⁹ is an apocalyptic number.

933139 is a deficient number, since it is larger than the sum of its proper divisors (9341).

933139 is a wasteful number, since it uses less digits than its factorization.

933139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340.

The product of its digits is 2187, while the sum is 28.

The square root of 933139 is about 965.9912007881. The cubic root of 933139 is about 97.7196974380.

The spelling of 933139 in words is "nine hundred thirty-three thousand, one hundred thirty-nine".