1404434159 has 2 divisors, whose sum is σ = 1404434160. Its totient is φ = 1404434158.

The previous prime is 1404434099. The next prime is 1404434231. The reversal of 1404434159 is 9514344041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1404434159 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1404434959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702217079 + 702217080.

It is an arithmetic number, because the mean of its divisors is an integer number (702217080).

Almost surely, 2^1404434159 is an apocalyptic number.

1404434159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1404434159 is an equidigital number, since it uses as much as digits as its factorization.

1404434159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1404434159 is about 37475.7809658451. The cubic root of 1404434159 is about 1119.8687556138.

The spelling of 1404434159 in words is "one billion, four hundred four million, four hundred thirty-four thousand, one hundred fifty-nine".