140381634843 has 96 divisors (see below), whose sum is σ = 237224332800. Its totient is φ = 82512815616.

The previous prime is 140381634793. The next prime is 140381634931. The reversal of 140381634843 is 348436183041.

140381634843 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 8 + 1 + 634 + 8 + 4 + 3 = 666.

It is not a de Polignac number, because 140381634843 - 2¹² = 140381630747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140381634343) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3911203 + ... + 3946931.

It is an arithmetic number, because the mean of its divisors is an integer number (2471086800).

Almost surely, 2^140381634843 is an apocalyptic number.

140381634843 is a deficient number, since it is larger than the sum of its proper divisors (96842697957).

140381634843 is a wasteful number, since it uses less digits than its factorization.

140381634843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35823 (or 35811 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 140381634843 in words is "one hundred forty billion, three hundred eighty-one million, six hundred thirty-four thousand, eight hundred forty-three".