140456105 has 16 divisors (see below), whose sum is σ = 171984384. Its totient is φ = 110093760.

The previous prime is 140456093. The next prime is 140456111. The reversal of 140456105 is 501654041.

It is not a de Polignac number, because 140456105 - 2⁴ = 140456089 is a prime.

It is a Duffinian number.

It is a Curzon 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, 60272 + ... + 62558.

It is an arithmetic number, because the mean of its divisors is an integer number (10749024).

Almost surely, 2^140456105 is an apocalyptic number.

It is an amenable number.

140456105 is a deficient number, since it is larger than the sum of its proper divisors (31528279).

140456105 is a wasteful number, since it uses less digits than its factorization.

140456105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 140456105 is about 11851.4178476670. The cubic root of 140456105 is about 519.8126852455.

The spelling of 140456105 in words is "one hundred forty million, four hundred fifty-six thousand, one hundred five".