140713831 has 2 divisors, whose sum is σ = 140713832. Its totient is φ = 140713830.

The previous prime is 140713823. The next prime is 140713861. The reversal of 140713831 is 138317041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140713831 - 2³ = 140713823 is a prime.

It is a super-2 number, since 2×140713831² = 39600764469393122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140713831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140713861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70356915 + 70356916.

It is an arithmetic number, because the mean of its divisors is an integer number (70356916).

Almost surely, 2^140713831 is an apocalyptic number.

140713831 is a deficient number, since it is larger than the sum of its proper divisors (1).

140713831 is an equidigital number, since it uses as much as digits as its factorization.

140713831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 140713831 is about 11862.2860781554. The cubic root of 140713831 is about 520.1304295602.

The spelling of 140713831 in words is "one hundred forty million, seven hundred thirteen thousand, eight hundred thirty-one".