109140912 has 40 divisors (see below), whose sum is σ = 313276080. Its totient is φ = 36380160.

The previous prime is 109140887. The next prime is 109140929. The reversal of 109140912 is 219041901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125889 + ... + 126752.

It is an arithmetic number, because the mean of its divisors is an integer number (7831902).

Almost surely, 2^109140912 is an apocalyptic number.

109140912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109140912 is an abundant number, since it is smaller than the sum of its proper divisors (204135168).

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

109140912 is a wasteful number, since it uses less digits than its factorization.

109140912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252658 (or 252646 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 109140912 is about 10447.0527901413. The cubic root of 109140912 is about 477.8913754444.

The spelling of 109140912 in words is "one hundred nine million, one hundred forty thousand, nine hundred twelve".