1404168139 has 16 divisors (see below), whose sum is σ = 1621509120. Its totient is φ = 1203824160.

The previous prime is 1404168137. The next prime is 1404168151. The reversal of 1404168139 is 9318614041.

It is not a de Polignac number, because 1404168139 - 2¹ = 1404168137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1404168098 and 1404168107.

It is not an unprimeable number, because it can be changed into a prime (1404168133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37467 + ... + 64900.

It is an arithmetic number, because the mean of its divisors is an integer number (101344320).

Almost surely, 2^1404168139 is an apocalyptic number.

1404168139 is a deficient number, since it is larger than the sum of its proper divisors (217340981).

1404168139 is a wasteful number, since it uses less digits than its factorization.

1404168139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102450.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1404168139 is about 37472.2315721922. The cubic root of 1404168139 is about 1119.7980447405.

The spelling of 1404168139 in words is "one billion, four hundred four million, one hundred sixty-eight thousand, one hundred thirty-nine".