140933983 has 4 divisors (see below), whose sum is σ = 141261408. Its totient is φ = 140606560.

The previous prime is 140933977. The next prime is 140933987. The reversal of 140933983 is 389339041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140933983 - 2¹³ = 140925791 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140933987) 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 3 ways as a sum of consecutive naturals, for example, 163066 + ... + 163927.

It is an arithmetic number, because the mean of its divisors is an integer number (35315352).

Almost surely, 2^140933983 is an apocalyptic number.

140933983 is a deficient number, since it is larger than the sum of its proper divisors (327425).

140933983 is an equidigital number, since it uses as much as digits as its factorization.

140933983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327424.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 140933983 is about 11871.5619444115. The cubic root of 140933983 is about 520.4015426606.

The spelling of 140933983 in words is "one hundred forty million, nine hundred thirty-three thousand, nine hundred eighty-three".