1404814138 has 32 divisors (see below), whose sum is σ = 2599430400. Its totient is φ = 554480640.

The previous prime is 1404814133. The next prime is 1404814139. The reversal of 1404814138 is 8314184041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1404814133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73123 + ... + 90313.

It is an arithmetic number, because the mean of its divisors is an integer number (81232200).

Almost surely, 2^1404814138 is an apocalyptic number.

1404814138 is a deficient number, since it is larger than the sum of its proper divisors (1194616262).

1404814138 is a wasteful number, since it uses less digits than its factorization.

1404814138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17662.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1404814138 is about 37480.8502838449. The cubic root of 1404814138 is about 1119.9697424862.

Adding to 1404814138 its reverse (8314184041), we get a palindrome (9718998179).

The spelling of 1404814138 in words is "one billion, four hundred four million, eight hundred fourteen thousand, one hundred thirty-eight".