140223311402 has 8 divisors (see below), whose sum is σ = 210336855300. Its totient is φ = 70111026304.

The previous prime is 140223311387. The next prime is 140223311413. The reversal of 140223311402 is 204113322041.

It can be written as a sum of positive squares in 2 ways, for example, as 139458180481 + 765130921 = 373441^2 + 27661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46874 + ... + 531642.

Almost surely, 2^140223311402 is an apocalyptic number.

140223311402 is a deficient number, since it is larger than the sum of its proper divisors (70113543898).

140223311402 is a wasteful number, since it uses less digits than its factorization.

140223311402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629400.

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

Adding to 140223311402 its reverse (204113322041), we get a palindrome (344336633443).

The spelling of 140223311402 in words is "one hundred forty billion, two hundred twenty-three million, three hundred eleven thousand, four hundred two".