140639383 has 2 divisors, whose sum is σ = 140639384. Its totient is φ = 140639382.

The previous prime is 140639381. The next prime is 140639413. The reversal of 140639383 is 383936041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140639383 - 2¹ = 140639381 is a prime.

Together with 140639381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140639381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70319691 + 70319692.

It is an arithmetic number, because the mean of its divisors is an integer number (70319692).

Almost surely, 2^140639383 is an apocalyptic number.

140639383 is a deficient number, since it is larger than the sum of its proper divisors (1).

140639383 is an equidigital number, since it uses as much as digits as its factorization.

140639383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 140639383 is about 11859.1476506535. The cubic root of 140639383 is about 520.0386842523.

The spelling of 140639383 in words is "one hundred forty million, six hundred thirty-nine thousand, three hundred eighty-three".