109463812 has 12 divisors (see below), whose sum is σ = 191651740. Its totient is φ = 54706176.

The previous prime is 109463779. The next prime is 109463813. The reversal of 109463812 is 218364901.

It can be written as a sum of positive squares in 2 ways, for example, as 31741956 + 77721856 = 5634^2 + 8816^2 .

It is a super-2 number, since 2×109463812² = 23964652275142688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109463813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5668 + ... + 15844.

Almost surely, 2^109463812 is an apocalyptic number.

It is an amenable number.

109463812 is a deficient number, since it is larger than the sum of its proper divisors (82187928).

109463812 is a wasteful number, since it uses less digits than its factorization.

109463812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870 (or 12868 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 109463812 is about 10462.4954958174. The cubic root of 109463812 is about 478.3622016217.

Subtracting from 109463812 its product of nonzero digits (10368), we obtain a square (109453444 = 10462²).

The spelling of 109463812 in words is "one hundred nine million, four hundred sixty-three thousand, eight hundred twelve".