1404131389 has 8 divisors (see below), whose sum is σ = 1450934240. Its totient is φ = 1357794576.

The previous prime is 1404131381. The next prime is 1404131401. The reversal of 1404131389 is 9831314041.

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 1404131389 - 2³ = 1404131381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404131381) 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, 110379 + ... + 122440.

It is an arithmetic number, because the mean of its divisors is an integer number (181366780).

Almost surely, 2^1404131389 is an apocalyptic number.

It is an amenable number.

1404131389 is a deficient number, since it is larger than the sum of its proper divisors (46802851).

1404131389 is a wasteful number, since it uses less digits than its factorization.

1404131389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233019.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1404131389 is about 37471.7412058741. The cubic root of 1404131389 is about 1119.7882755075.

The spelling of 1404131389 in words is "one billion, four hundred four million, one hundred thirty-one thousand, three hundred eighty-nine".