1404131129 has 8 divisors (see below), whose sum is σ = 1426514280. Its totient is φ = 1381833216.

The previous prime is 1404131089. The next prime is 1404131149. The reversal of 1404131129 is 9211314041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 974688400 + 429442729 = 31220^2 + 20723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404131129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404131098 and 1404131107.

It is not an unprimeable number, because it can be changed into a prime (1404131149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12317 + ... + 54405.

It is an arithmetic number, because the mean of its divisors is an integer number (178314285).

Almost surely, 2^1404131129 is an apocalyptic number.

It is an amenable number.

1404131129 is a deficient number, since it is larger than the sum of its proper divisors (22383151).

1404131129 is an equidigital number, since it uses as much as digits as its factorization.

1404131129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42619.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1404131129 is about 37471.7377365929. The cubic root of 1404131129 is about 1119.7882063912.

The spelling of 1404131129 in words is "one billion, four hundred four million, one hundred thirty-one thousand, one hundred twenty-nine".