140109459 has 8 divisors (see below), whose sum is σ = 213500160. Its totient is φ = 80062536.

The previous prime is 140109433. The next prime is 140109467. The reversal of 140109459 is 954901041.

140109459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140109459 - 2¹¹ = 140107411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140109479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335919 + ... + 3335960.

It is an arithmetic number, because the mean of its divisors is an integer number (26687520).

Almost surely, 2^140109459 is an apocalyptic number.

140109459 is a deficient number, since it is larger than the sum of its proper divisors (73390701).

140109459 is an equidigital number, since it uses as much as digits as its factorization.

140109459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671889.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 140109459 is about 11836.7841494217. The cubic root of 140109459 is about 519.3846999829.

The spelling of 140109459 in words is "one hundred forty million, one hundred nine thousand, four hundred fifty-nine".