1404404013 has 8 divisors (see below), whose sum is σ = 1872749376. Its totient is φ = 936164000.

The previous prime is 1404404009. The next prime is 1404404021. The reversal of 1404404013 is 3104044041.

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 1404404013 - 2² = 1404404009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404404713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13288 + ... + 54638.

It is an arithmetic number, because the mean of its divisors is an integer number (234093672).

Almost surely, 2^1404404013 is an apocalyptic number.

It is an amenable number.

1404404013 is a deficient number, since it is larger than the sum of its proper divisors (468345363).

1404404013 is a wasteful number, since it uses less digits than its factorization.

1404404013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52675.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1404404013 is about 37475.3787572587. The cubic root of 1404404013 is about 1119.8607429432.

Adding to 1404404013 its reverse (3104044041), we get a palindrome (4508448054).

It can be divided in two parts, 140440 and 4013, that added together give a triangular number (144453 = T₅₃₇).

The spelling of 1404404013 in words is "one billion, four hundred four million, four hundred four thousand, thirteen".