1404442137 has 16 divisors (see below), whose sum is σ = 2148636672. Its totient is φ = 799338000.

The previous prime is 1404442129. The next prime is 1404442139. The reversal of 1404442137 is 7312444041.

It is not a de Polignac number, because 1404442137 - 2³ = 1404442129 is a prime.

It is a super-2 number, since 2×1404442137² = 3944915432362253538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1404442139) 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, 127953 + ... + 138494.

It is an arithmetic number, because the mean of its divisors is an integer number (134289792).

Almost surely, 2^1404442137 is an apocalyptic number.

It is an amenable number.

1404442137 is a deficient number, since it is larger than the sum of its proper divisors (744194535).

1404442137 is a wasteful number, since it uses less digits than its factorization.

1404442137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266708.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1404442137 is about 37475.8874077719. The cubic root of 1404442137 is about 1119.8708761110.

Adding to 1404442137 its reverse (7312444041), we get a palindrome (8716886178).

The spelling of 1404442137 in words is "one billion, four hundred four million, four hundred forty-two thousand, one hundred thirty-seven".