18141370 has 32 divisors (see below), whose sum is σ = 35843472. Its totient is φ = 6569472.

The previous prime is 18141367. The next prime is 18141391. The reversal of 18141370 is 7314181.

It can be written as a sum of positive squares in 8 ways, for example, as 3418801 + 14722569 = 1849^2 + 3837^2 .

It is an unprimeable number.

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, 5574 + ... + 8206.

Almost surely, 2^18141370 is an apocalyptic number.

18141370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18141370 is a deficient number, since it is larger than the sum of its proper divisors (17702102).

18141370 is a wasteful number, since it uses less digits than its factorization.

18141370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 18141370 is about 4259.2687165757. The cubic root of 18141370 is about 262.7584514225.

The spelling of 18141370 in words is "eighteen million, one hundred forty-one thousand, three hundred seventy".