140982493 has 2 divisors, whose sum is σ = 140982494. Its totient is φ = 140982492.

The previous prime is 140982487. The next prime is 140982511. The reversal of 140982493 is 394289041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77827684 + 63154809 = 8822^2 + 7947^2 .

It is a cyclic number.

It is not a de Polignac number, because 140982493 - 2¹⁷ = 140851421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140922493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70491246 + 70491247.

It is an arithmetic number, because the mean of its divisors is an integer number (70491247).

Almost surely, 2^140982493 is an apocalyptic number.

It is an amenable number.

140982493 is a deficient number, since it is larger than the sum of its proper divisors (1).

140982493 is an equidigital number, since it uses as much as digits as its factorization.

140982493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 140982493 is about 11873.6048864698. The cubic root of 140982493 is about 520.4612438588.

The spelling of 140982493 in words is "one hundred forty million, nine hundred eighty-two thousand, four hundred ninety-three".