140223705 has 16 divisors (see below), whose sum is σ = 236166720. Its totient is φ = 70849728.

The previous prime is 140223691. The next prime is 140223719. The reversal of 140223705 is 507322041.

140223705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140223691) and next prime (140223719).

It is not a de Polignac number, because 140223705 - 2⁶ = 140223641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245722 + ... + 246291.

It is an arithmetic number, because the mean of its divisors is an integer number (14760420).

Almost surely, 2^140223705 is an apocalyptic number.

140223705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140223705 is a deficient number, since it is larger than the sum of its proper divisors (95943015).

140223705 is a wasteful number, since it uses less digits than its factorization.

140223705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492040.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 140223705 is about 11841.6090545162. The cubic root of 140223705 is about 519.5258313148.

Adding to 140223705 its reverse (507322041), we get a palindrome (647545746).

The spelling of 140223705 in words is "one hundred forty million, two hundred twenty-three thousand, seven hundred five".