1479138005 has 4 divisors (see below), whose sum is σ = 1774965612. Its totient is φ = 1183310400.

The previous prime is 1479137983. The next prime is 1479138041. The reversal of 1479138005 is 5008319741.

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

It can be written as a sum of positive squares in 2 ways, for example, as 904385329 + 574752676 = 30073^2 + 23974^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1479138005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1479138005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147913796 + ... + 147913805.

It is an arithmetic number, because the mean of its divisors is an integer number (443741403).

Almost surely, 2^1479138005 is an apocalyptic number.

It is an amenable number.

1479138005 is a deficient number, since it is larger than the sum of its proper divisors (295827607).

1479138005 is an equidigital number, since it uses as much as digits as its factorization.

1479138005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295827606.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1479138005 is about 38459.5632450500. The cubic root of 1479138005 is about 1139.3825539643.

The spelling of 1479138005 in words is "one billion, four hundred seventy-nine million, one hundred thirty-eight thousand, five".