140220663 has 16 divisors (see below), whose sum is σ = 206754816. Its totient is φ = 83816640.

The previous prime is 140220659. The next prime is 140220667. The reversal of 140220663 is 366022041.

It is an interprime number because it is at equal distance from previous prime (140220659) and next prime (140220667).

It is not a de Polignac number, because 140220663 - 2² = 140220659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26695 + ... + 31512.

It is an arithmetic number, because the mean of its divisors is an integer number (12922176).

Almost surely, 2^140220663 is an apocalyptic number.

140220663 is a deficient number, since it is larger than the sum of its proper divisors (66534153).

140220663 is a wasteful number, since it uses less digits than its factorization.

140220663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58294.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 140220663 is about 11841.4806084374. The cubic root of 140220663 is about 519.5220744393.

The spelling of 140220663 in words is "one hundred forty million, two hundred twenty thousand, six hundred sixty-three".