481575139 has 4 divisors (see below), whose sum is σ = 485090424. Its totient is φ = 478059856.

The previous prime is 481575137. The next prime is 481575181. The reversal of 481575139 is 931575184.

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

It is not a de Polignac number, because 481575139 - 2¹ = 481575137 is a prime.

It is a super-2 number, since 2×481575139² = 463829229005738642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 481575095 and 481575104.

It is not an unprimeable number, because it can be changed into a prime (481575137) 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 3 ways as a sum of consecutive naturals, for example, 1757437 + ... + 1757710.

It is an arithmetic number, because the mean of its divisors is an integer number (121272606).

Almost surely, 2^481575139 is an apocalyptic number.

481575139 is a deficient number, since it is larger than the sum of its proper divisors (3515285).

481575139 is a wasteful number, since it uses less digits than its factorization.

481575139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515284.

The product of its digits is 151200, while the sum is 43.

The square root of 481575139 is about 21944.8203228005. The cubic root of 481575139 is about 783.8290459852.

The spelling of 481575139 in words is "four hundred eighty-one million, five hundred seventy-five thousand, one hundred thirty-nine".