1404138112 has 32 divisors (see below), whose sum is σ = 3012487380. Its totient is φ = 648062976.

The previous prime is 1404138067. The next prime is 1404138119. The reversal of 1404138112 is 2118314041.

It can be written as a sum of positive squares in 2 ways, for example, as 1282785856 + 121352256 = 35816^2 + 11016^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1404138119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420253 + ... + 423580.

Almost surely, 2^1404138112 is an apocalyptic number.

It is an amenable number.

1404138112 is an abundant number, since it is smaller than the sum of its proper divisors (1608349268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404138112 is an equidigital number, since it uses as much as digits as its factorization.

1404138112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843860 (or 843848 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1404138112 is about 37471.8309133674. The cubic root of 1404138112 is about 1119.7900626918.

The spelling of 1404138112 in words is "one billion, four hundred four million, one hundred thirty-eight thousand, one hundred twelve".