140664312602 has 32 divisors (see below), whose sum is σ = 242607934080. Its totient is φ = 60568755520.

The previous prime is 140664312583. The next prime is 140664312653. The reversal of 140664312602 is 206213466041.

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, 2046158 + ... + 2113785.

It is an arithmetic number, because the mean of its divisors is an integer number (7581497940).

Almost surely, 2^140664312602 is an apocalyptic number.

140664312602 is a deficient number, since it is larger than the sum of its proper divisors (101943621478).

140664312602 is a wasteful number, since it uses less digits than its factorization.

140664312602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160038.

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 140664312602 its reverse (206213466041), we get a palindrome (346877778643).

The spelling of 140664312602 in words is "one hundred forty billion, six hundred sixty-four million, three hundred twelve thousand, six hundred two".