140109055 has 8 divisors (see below), whose sum is σ = 168726672. Its totient is φ = 111690048.

The previous prime is 140109041. The next prime is 140109061. The reversal of 140109055 is 550901041.

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 140109055 - 2²¹ = 138011903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48094 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (21090834).

Almost surely, 2^140109055 is an apocalyptic number.

140109055 is a deficient number, since it is larger than the sum of its proper divisors (28617617).

140109055 is an equidigital number, since it uses as much as digits as its factorization.

140109055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99305.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 140109055 is about 11836.7670839634. The cubic root of 140109055 is about 519.3842007741.

The spelling of 140109055 in words is "one hundred forty million, one hundred nine thousand, fifty-five".