481139 has 8 divisors (see below), whose sum is σ = 509760. Its totient is φ = 453376.

The previous prime is 481133. The next prime is 481141. The reversal of 481139 is 931184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481139 - 2⁴ = 481123 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481139.

It is not an unprimeable number, because it can be changed into a prime (481133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (63720).

2⁴⁸¹¹³⁹ is an apocalyptic number.

481139 is a deficient number, since it is larger than the sum of its proper divisors (28621).

481139 is a wasteful number, since it uses less digits than its factorization.

481139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 864, while the sum is 26.

The square root of 481139 is about 693.6418384152. The cubic root of 481139 is about 78.3592349333.

The spelling of 481139 in words is "four hundred eighty-one thousand, one hundred thirty-nine".