140212463 has 4 divisors (see below), whose sum is σ = 140256480. Its totient is φ = 140168448.

The previous prime is 140212417. The next prime is 140212483. The reversal of 140212463 is 364212041.

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 140212463 - 2¹⁶ = 140146927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140212403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16823 + ... + 23736.

It is an arithmetic number, because the mean of its divisors is an integer number (35064120).

Almost surely, 2^140212463 is an apocalyptic number.

140212463 is a deficient number, since it is larger than the sum of its proper divisors (44017).

140212463 is an equidigital number, since it uses as much as digits as its factorization.

140212463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44016.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140212463 is about 11841.1343628894. The cubic root of 140212463 is about 519.5119471538.

The spelling of 140212463 in words is "one hundred forty million, two hundred twelve thousand, four hundred sixty-three".