140681107 has 8 divisors (see below), whose sum is σ = 164060000. Its totient is φ = 120583512.

The previous prime is 140681083. The next prime is 140681119. The reversal of 140681107 is 701186041.

140681107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140681107 - 2⁷ = 140680979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140601107) 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, 204732 + ... + 205417.

It is an arithmetic number, because the mean of its divisors is an integer number (20507500).

Almost surely, 2^140681107 is an apocalyptic number.

140681107 is a deficient number, since it is larger than the sum of its proper divisors (23378893).

140681107 is an frugal number, since it uses more digits than its factorization.

140681107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410170 (or 410156 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 140681107 is about 11860.9066685477. The cubic root of 140681107 is about 520.0901064267.

The spelling of 140681107 in words is "one hundred forty million, six hundred eighty-one thousand, one hundred seven".