1418731138 has 32 divisors (see below), whose sum is σ = 2372832000. Its totient is φ = 630789120.

The previous prime is 1418731133. The next prime is 1418731147. The reversal of 1418731138 is 8311378141.

It is a junction number, because it is equal to n+sod(n) for n = 1418731097 and 1418731106.

It is not an unprimeable number, because it can be changed into a prime (1418731133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185698 + ... + 193186.

It is an arithmetic number, because the mean of its divisors is an integer number (74151000).

Almost surely, 2^1418731138 is an apocalyptic number.

1418731138 is a deficient number, since it is larger than the sum of its proper divisors (954100862).

1418731138 is a wasteful number, since it uses less digits than its factorization.

1418731138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690.

The product of its digits is 16128, while the sum is 37.

The square root of 1418731138 is about 37666.0475494841. The cubic root of 1418731138 is about 1123.6559786271.

The spelling of 1418731138 in words is "one billion, four hundred eighteen million, seven hundred thirty-one thousand, one hundred thirty-eight".