140194405 has 16 divisors (see below), whose sum is σ = 185391360. Its totient is φ = 101118528.

The previous prime is 140194357. The next prime is 140194421. The reversal of 140194405 is 504491041.

It is a cyclic number.

It is not a de Polignac number, because 140194405 - 2⁷ = 140194277 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 15 ways as a sum of consecutive naturals, for example, 22285 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (11586960).

Almost surely, 2^140194405 is an apocalyptic number.

It is an amenable number.

140194405 is a deficient number, since it is larger than the sum of its proper divisors (45196955).

140194405 is a wasteful number, since it uses less digits than its factorization.

140194405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50220.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 140194405 is about 11840.3718269318. The cubic root of 140194405 is about 519.4896435028.

The spelling of 140194405 in words is "one hundred forty million, one hundred ninety-four thousand, four hundred five".