140800909 has 8 divisors (see below), whose sum is σ = 141680000. Its totient is φ = 139925232.

The previous prime is 140800903. The next prime is 140800943. The reversal of 140800909 is 909008041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140800909 - 2²¹ = 138703757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140800903) 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 in 7 ways as a sum of consecutive naturals, for example, 152752 + ... + 153670.

It is an arithmetic number, because the mean of its divisors is an integer number (17710000).

Almost surely, 2^140800909 is an apocalyptic number.

It is an amenable number.

140800909 is a deficient number, since it is larger than the sum of its proper divisors (879091).

140800909 is an equidigital number, since it uses as much as digits as its factorization.

140800909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 140800909 is about 11865.9558822709. The cubic root of 140800909 is about 520.2376982814.

The spelling of 140800909 in words is "one hundred forty million, eight hundred thousand, nine hundred nine".