140056555 has 4 divisors (see below), whose sum is σ = 168067872. Its totient is φ = 112045240.

The previous prime is 140056537. The next prime is 140056561. The reversal of 140056555 is 555650041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140056555 - 2⁹ = 140056043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14005651 + ... + 14005660.

It is an arithmetic number, because the mean of its divisors is an integer number (42016968).

Almost surely, 2^140056555 is an apocalyptic number.

140056555 is a deficient number, since it is larger than the sum of its proper divisors (28011317).

140056555 is an equidigital number, since it uses as much as digits as its factorization.

140056555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28011316.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 140056555 is about 11834.5492098347. The cubic root of 140056555 is about 519.3193201779.

The spelling of 140056555 in words is "one hundred forty million, fifty-six thousand, five hundred fifty-five".