140805499 has 2 divisors, whose sum is σ = 140805500. Its totient is φ = 140805498.

The previous prime is 140805463. The next prime is 140805541. The reversal of 140805499 is 994508041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140805499 - 2⁹ = 140804987 is a prime.

It is not a weakly prime, because it can be changed into another prime (140805419) 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, 70402749 + 70402750.

It is an arithmetic number, because the mean of its divisors is an integer number (70402750).

Almost surely, 2^140805499 is an apocalyptic number.

140805499 is a deficient number, since it is larger than the sum of its proper divisors (1).

140805499 is an equidigital number, since it uses as much as digits as its factorization.

140805499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 140805499 is about 11866.1492911559. The cubic root of 140805499 is about 520.2433513346.

The spelling of 140805499 in words is "one hundred forty million, eight hundred five thousand, four hundred ninety-nine".