1406130438 has 16 divisors (see below), whose sum is σ = 2934533376. Its totient is φ = 448331400.

The previous prime is 1406130437. The next prime is 1406130521. The reversal of 1406130438 is 8340316041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406130437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5094538 + ... + 5094813.

It is an arithmetic number, because the mean of its divisors is an integer number (183408336).

Almost surely, 2^1406130438 is an apocalyptic number.

1406130438 is an abundant number, since it is smaller than the sum of its proper divisors (1528402938).

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

1406130438 is a wasteful number, since it uses less digits than its factorization.

1406130438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10189379.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1406130438 is about 37498.4058061139. The cubic root of 1406130438 is about 1120.3194342897.

Adding to 1406130438 its reverse (8340316041), we get a palindrome (9746446479).

The spelling of 1406130438 in words is "one billion, four hundred six million, one hundred thirty thousand, four hundred thirty-eight".