140783643 has 64 divisors (see below), whose sum is σ = 280089600. Its totient is φ = 67495680.

The previous prime is 140783567. The next prime is 140783653. The reversal of 140783643 is 346387041.

140783643 is a `hidden beast` number, since 1 + 4 + 0 + 7 + 8 + 3 + 643 = 666.

It is not a de Polignac number, because 140783643 - 2¹⁰ = 140782619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140783598 and 140783607.

It is not an unprimeable number, because it can be changed into a prime (140783653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24423 + ... + 29631.

It is an arithmetic number, because the mean of its divisors is an integer number (4376400).

Almost surely, 2^140783643 is an apocalyptic number.

140783643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140783643 is a deficient number, since it is larger than the sum of its proper divisors (139305957).

140783643 is a wasteful number, since it uses less digits than its factorization.

140783643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 5243 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 140783643 is about 11865.2283163873. The cubic root of 140783643 is about 520.2164323408.

The spelling of 140783643 in words is "one hundred forty million, seven hundred eighty-three thousand, six hundred forty-three".