140770863 has 24 divisors (see below), whose sum is σ = 220313808. Its totient is φ = 86268672.

The previous prime is 140770849. The next prime is 140770891. The reversal of 140770863 is 368077041.

It is not a de Polignac number, because 140770863 - 2¹⁷ = 140639791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140770363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4120 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (9179742).

Almost surely, 2^140770863 is an apocalyptic number.

140770863 is a deficient number, since it is larger than the sum of its proper divisors (79542945).

140770863 is a wasteful number, since it uses less digits than its factorization.

140770863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463 (or 21460 counting only the distinct ones).

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

The square root of 140770863 is about 11864.6897557416. The cubic root of 140770863 is about 520.2006905329.

The spelling of 140770863 in words is "one hundred forty million, seven hundred seventy thousand, eight hundred sixty-three".