109140493 has 48 divisors (see below), whose sum is σ = 150600384. Its totient is φ = 77898240.

The previous prime is 109140487. The next prime is 109140509. The reversal of 109140493 is 394041901.

It is not a de Polignac number, because 109140493 - 2⁹ = 109139981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109140403) 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 47 ways as a sum of consecutive naturals, for example, 393871 + ... + 394147.

It is an arithmetic number, because the mean of its divisors is an integer number (3137508).

Almost surely, 2^109140493 is an apocalyptic number.

It is an amenable number.

109140493 is a deficient number, since it is larger than the sum of its proper divisors (41459891).

109140493 is a wasteful number, since it uses less digits than its factorization.

109140493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 109140493 is about 10447.0327366195. The cubic root of 109140493 is about 477.8907638902.

The spelling of 109140493 in words is "one hundred nine million, one hundred forty thousand, four hundred ninety-three".