140423400202 has 8 divisors (see below), whose sum is σ = 210691901700. Its totient is φ = 70192766304.

The previous prime is 140423400179. The next prime is 140423400211. The reversal of 140423400202 is 202004324041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140423322361 + 77841 = 374731^2 + 279^2 .

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, 9457627 + ... + 9472462.

Almost surely, 2^140423400202 is an apocalyptic number.

140423400202 is a deficient number, since it is larger than the sum of its proper divisors (70268501498).

140423400202 is a wasteful number, since it uses less digits than its factorization.

140423400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18933800.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 140423400202 its reverse (202004324041), we get a palindrome (342427724243).

The spelling of 140423400202 in words is "one hundred forty billion, four hundred twenty-three million, four hundred thousand, two hundred two".