140042783 has 2 divisors, whose sum is σ = 140042784. Its totient is φ = 140042782.

The previous prime is 140042759. The next prime is 140042803. The reversal of 140042783 is 387240041.

It is a strong prime.

It is an emirp because it is prime and its reverse (387240041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140042783 - 2¹⁶ = 139977247 is a prime.

It is a super-2 number, since 2×140042783² = 39223962140770178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140042713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70021391 + 70021392.

It is an arithmetic number, because the mean of its divisors is an integer number (70021392).

Almost surely, 2^140042783 is an apocalyptic number.

140042783 is a deficient number, since it is larger than the sum of its proper divisors (1).

140042783 is an equidigital number, since it uses as much as digits as its factorization.

140042783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140042783 is about 11833.9673398231. The cubic root of 140042783 is about 519.3022977684.

The spelling of 140042783 in words is "one hundred forty million, forty-two thousand, seven hundred eighty-three".