140112665 has 32 divisors (see below), whose sum is σ = 218750976. Its totient is φ = 83540160.

The previous prime is 140112649. The next prime is 140112667. The reversal of 140112665 is 566211041.

140112665 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 140112665 - 2⁴ = 140112649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140112667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944 + ... + 16766.

It is an arithmetic number, because the mean of its divisors is an integer number (6835968).

Almost surely, 2^140112665 is an apocalyptic number.

It is an amenable number.

140112665 is a deficient number, since it is larger than the sum of its proper divisors (78638311).

140112665 is a wasteful number, since it uses less digits than its factorization.

140112665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15869.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 140112665 is about 11836.9195739432. The cubic root of 140112665 is about 519.3886614919.

The spelling of 140112665 in words is "one hundred forty million, one hundred twelve thousand, six hundred sixty-five".