140254631143 has 24 divisors (see below), whose sum is σ = 160929468000. Its totient is φ = 121913172480.

The previous prime is 140254631137. The next prime is 140254631161. The reversal of 140254631143 is 341136452041.

It is not a de Polignac number, because 140254631143 - 2⁹ = 140254630631 is a prime.

It is a Duffinian number.

140254631143 is a modest number, since divided by 631143 gives 140254 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 140254631099 and 140254631108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140254631443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8477103 + ... + 8493631.

It is an arithmetic number, because the mean of its divisors is an integer number (6705394500).

Almost surely, 2^140254631143 is an apocalyptic number.

140254631143 is a deficient number, since it is larger than the sum of its proper divisors (20674836857).

140254631143 is a wasteful number, since it uses less digits than its factorization.

140254631143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19623 (or 19612 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 140254631143 in words is "one hundred forty billion, two hundred fifty-four million, six hundred thirty-one thousand, one hundred forty-three".