140204055 has 32 divisors (see below), whose sum is σ = 232409088. Its totient is φ = 72128000.

The previous prime is 140204039. The next prime is 140204069. The reversal of 140204055 is 550402041.

It is not a de Polignac number, because 140204055 - 2⁴ = 140204039 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 48655 + ... + 51455.

It is an arithmetic number, because the mean of its divisors is an integer number (7262784).

Almost surely, 2^140204055 is an apocalyptic number.

140204055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140204055 is a deficient number, since it is larger than the sum of its proper divisors (92205033).

140204055 is a wasteful number, since it uses less digits than its factorization.

140204055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 140204055 is about 11840.7793240141. The cubic root of 140204055 is about 519.5015625710.

Adding to 140204055 its reverse (550402041), we get a palindrome (690606096).

The spelling of 140204055 in words is "one hundred forty million, two hundred four thousand, fifty-five".