415139 has 4 divisors (see below), whose sum is σ = 418440. Its totient is φ = 411840.

The previous prime is 415133. The next prime is 415141. The reversal of 415139 is 931514.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 415139 - 2¹⁶ = 349603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415133) 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, 1454 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (104610).

2⁴¹⁵¹³⁹ is an apocalyptic number.

415139 is a deficient number, since it is larger than the sum of its proper divisors (3301).

415139 is a wasteful number, since it uses less digits than its factorization.

415139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its digits is 540, while the sum is 23.

The square root of 415139 is about 644.3128122271. The cubic root of 415139 is about 74.5986860883.

The spelling of 415139 in words is "four hundred fifteen thousand, one hundred thirty-nine".