109148140 has 24 divisors (see below), whose sum is σ = 232354080. Its totient is φ = 43060608.

The previous prime is 109148129. The next prime is 109148153. The reversal of 109148140 is 41841901.

It is a junction number, because it is equal to n+sod(n) for n = 109148099 and 109148108.

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, 35920 + ... + 38839.

It is an arithmetic number, because the mean of its divisors is an integer number (9681420).

Almost surely, 2^109148140 is an apocalyptic number.

109148140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109148140 is an abundant number, since it is smaller than the sum of its proper divisors (123205940).

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

109148140 is a wasteful number, since it uses less digits than its factorization.

109148140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74841 (or 74839 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 109148140 is about 10447.3987192985. The cubic root of 109148140 is about 477.9019248725.

The spelling of 109148140 in words is "one hundred nine million, one hundred forty-eight thousand, one hundred forty".