946139 has 4 divisors (see below), whose sum is σ = 949200. Its totient is φ = 943080.

The previous prime is 946133. The next prime is 946163. The reversal of 946139 is 931649.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931649 = 107 ⋅8707.

It is a cyclic number.

It is not a de Polignac number, because 946139 - 2⁴ = 946123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (946133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (237300).

2⁹⁴⁶¹³⁹ is an apocalyptic number.

946139 is a deficient number, since it is larger than the sum of its proper divisors (3061).

946139 is a wasteful number, since it uses less digits than its factorization.

946139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its digits is 5832, while the sum is 32.

The square root of 946139 is about 972.6967667264. The cubic root of 946139 is about 98.1713993444.

The spelling of 946139 in words is "nine hundred forty-six thousand, one hundred thirty-nine".