140211055 has 4 divisors (see below), whose sum is σ = 168253272. Its totient is φ = 112168840.

The previous prime is 140211041. The next prime is 140211061. The reversal of 140211055 is 550112041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550112041 = 37 ⋅14867893.

It is not a de Polignac number, because 140211055 - 2²¹ = 138113903 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 3 ways as a sum of consecutive naturals, for example, 14021101 + ... + 14021110.

It is an arithmetic number, because the mean of its divisors is an integer number (42063318).

Almost surely, 2^140211055 is an apocalyptic number.

140211055 is a deficient number, since it is larger than the sum of its proper divisors (28042217).

140211055 is an equidigital number, since it uses as much as digits as its factorization.

140211055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28042216.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 140211055 is about 11841.0749089768. The cubic root of 140211055 is about 519.5102081850.

Adding to 140211055 its reverse (550112041), we get a palindrome (690323096).

The spelling of 140211055 in words is "one hundred forty million, two hundred eleven thousand, fifty-five".