140632223632643 has 4 divisors (see below), whose sum is σ = 142212360976920. Its totient is φ = 139052086288368.

The previous prime is 140632223632619. The next prime is 140632223632651. The reversal of 140632223632643 is 346236322236041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140632223632643 - 2²² = 140632219438339 is a prime.

It is a super-2 number, since 2×140632223632643² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140632223632603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790068672005 + ... + 790068672182.

It is an arithmetic number, because the mean of its divisors is an integer number (35553090244230).

Almost surely, 2^{140632223632643} is an apocalyptic number.

140632223632643 is a deficient number, since it is larger than the sum of its proper divisors (1580137344277).

140632223632643 is an equidigital number, since it uses as much as digits as its factorization.

140632223632643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580137344276.

The product of its (nonzero) digits is 4478976, while the sum is 47.

Adding to 140632223632643 its reverse (346236322236041), we get a palindrome (486868545868684).

The spelling of 140632223632643 in words is "one hundred forty trillion, six hundred thirty-two billion, two hundred twenty-three million, six hundred thirty-two thousand, six hundred forty-three".