140667793 has 16 divisors (see below), whose sum is σ = 169655040. Its totient is φ = 114022656.

The previous prime is 140667767. The next prime is 140667803. The reversal of 140667793 is 397766041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140667793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140667713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9421 + ... + 19237.

It is an arithmetic number, because the mean of its divisors is an integer number (10603440).

Almost surely, 2^140667793 is an apocalyptic number.

It is an amenable number.

140667793 is a deficient number, since it is larger than the sum of its proper divisors (28987247).

140667793 is an equidigital number, since it uses as much as digits as its factorization.

140667793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 140667793 is about 11860.3453996922. The cubic root of 140667793 is about 520.0736988738.

The spelling of 140667793 in words is "one hundred forty million, six hundred sixty-seven thousand, seven hundred ninety-three".