140077863 has 8 divisors (see below), whose sum is σ = 207522800. Its totient is φ = 93385224.

The previous prime is 140077849. The next prime is 140077879. The reversal of 140077863 is 368770041.

140077863 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 140077863 - 2⁹ = 140077351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140077363) 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, 2594008 + ... + 2594061.

It is an arithmetic number, because the mean of its divisors is an integer number (25940350).

Almost surely, 2^140077863 is an apocalyptic number.

140077863 is a deficient number, since it is larger than the sum of its proper divisors (67444937).

140077863 is an equidigital number, since it uses as much as digits as its factorization.

140077863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188078 (or 5188072 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 140077863 is about 11835.4494211247. The cubic root of 140077863 is about 519.3456550038.

The spelling of 140077863 in words is "one hundred forty million, seventy-seven thousand, eight hundred sixty-three".