140582479 has 2 divisors, whose sum is σ = 140582480. Its totient is φ = 140582478.

The previous prime is 140582473. The next prime is 140582521. The reversal of 140582479 is 974285041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140582479 - 2³ = 140582471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140582471) 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, 70291239 + 70291240.

It is an arithmetic number, because the mean of its divisors is an integer number (70291240).

Almost surely, 2^140582479 is an apocalyptic number.

140582479 is a deficient number, since it is larger than the sum of its proper divisors (1).

140582479 is an equidigital number, since it uses as much as digits as its factorization.

140582479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 140582479 is about 11856.7482473063. The cubic root of 140582479 is about 519.9685372976.

The spelling of 140582479 in words is "one hundred forty million, five hundred eighty-two thousand, four hundred seventy-nine".