1404002005 has 8 divisors (see below), whose sum is σ = 1925488512. Its totient is φ = 962744208.

The previous prime is 1404001981. The next prime is 1404002023. The reversal of 1404002005 is 5002004041.

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 1404002005 - 2²¹ = 1401904853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404002005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20057137 + ... + 20057206.

It is an arithmetic number, because the mean of its divisors is an integer number (240686064).

Almost surely, 2^1404002005 is an apocalyptic number.

It is an amenable number.

1404002005 is a deficient number, since it is larger than the sum of its proper divisors (521486507).

1404002005 is an equidigital number, since it uses as much as digits as its factorization.

1404002005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40114355.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1404002005 is about 37470.0147451265. The cubic root of 1404002005 is about 1119.7538800709.

Adding to 1404002005 its reverse (5002004041), we get a palindrome (6406006046).

The spelling of 1404002005 in words is "one billion, four hundred four million, two thousand, five".