140685055 has 32 divisors (see below), whose sum is σ = 198288000. Its totient is φ = 93829632.

The previous prime is 140685029. The next prime is 140685067. The reversal of 140685055 is 550586041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140685055 - 2⁷ = 140684927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140685055.

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 31 ways as a sum of consecutive naturals, for example, 276141 + ... + 276649.

It is an arithmetic number, because the mean of its divisors is an integer number (6196500).

Almost surely, 2^140685055 is an apocalyptic number.

140685055 is a deficient number, since it is larger than the sum of its proper divisors (57602945).

140685055 is a wasteful number, since it uses less digits than its factorization.

140685055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 140685055 is about 11861.0730964782. The cubic root of 140685055 is about 520.0949715589.

The spelling of 140685055 in words is "one hundred forty million, six hundred eighty-five thousand, fifty-five".