140783 has 4 divisors (see below), whose sum is σ = 146928. Its totient is φ = 134640.

The previous prime is 140779. The next prime is 140797. The reversal of 140783 is 387041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 387041 = 349 ⋅1109.

It is a cyclic number.

It is not a de Polignac number, because 140783 - 2² = 140779 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6121 = 140783 / (1 + 4 + 0 + 7 + 8 + 3).

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (36732).

2¹⁴⁰⁷⁸³ is an apocalyptic number.

140783 is a deficient number, since it is larger than the sum of its proper divisors (6145).

140783 is an equidigital number, since it uses as much as digits as its factorization.

140783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140783 is about 375.2106075260. The cubic root of 140783 is about 52.0215640346.

The spelling of 140783 in words is "one hundred forty thousand, seven hundred eighty-three".