140199055 has 8 divisors (see below), whose sum is σ = 170543952. Its totient is φ = 110622528.

The previous prime is 140199029. The next prime is 140199061. The reversal of 140199055 is 550991041.

It is a happy number.

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 140199055 - 2¹⁹ = 139674767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140199055.

It is a congruent number.

It is an unprimeable number.

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, 191689 + ... + 192418.

It is an arithmetic number, because the mean of its divisors is an integer number (21317994).

Almost surely, 2^140199055 is an apocalyptic number.

140199055 is a deficient number, since it is larger than the sum of its proper divisors (30344897).

140199055 is an equidigital number, since it uses as much as digits as its factorization.

140199055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384185.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 140199055 is about 11840.5681873802. The cubic root of 140199055 is about 519.4953869563.

The spelling of 140199055 in words is "one hundred forty million, one hundred ninety-nine thousand, fifty-five".