417139 has 4 divisors (see below), whose sum is σ = 420280. Its totient is φ = 414000.

The previous prime is 417133. The next prime is 417161. The reversal of 417139 is 931714.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417133) 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, 1362 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (105070).

2⁴¹⁷¹³⁹ is an apocalyptic number.

417139 is a deficient number, since it is larger than the sum of its proper divisors (3141).

417139 is a wasteful number, since it uses less digits than its factorization.

417139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3140.

The product of its digits is 756, while the sum is 25.

The square root of 417139 is about 645.8629885665. The cubic root of 417139 is about 74.7182913427.

The spelling of 417139 in words is "four hundred seventeen thousand, one hundred thirty-nine".