140033230646 has 24 divisors (see below), whose sum is σ = 223281986760. Its totient is φ = 65854277856.

The previous prime is 140033230643. The next prime is 140033230663. The reversal of 140033230646 is 646032330041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140033230643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 597311 + ... + 798026.

It is an arithmetic number, because the mean of its divisors is an integer number (9303416115).

Almost surely, 2^140033230646 is an apocalyptic number.

140033230646 is a deficient number, since it is larger than the sum of its proper divisors (83248756114).

140033230646 is a wasteful number, since it uses less digits than its factorization.

140033230646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395516 (or 1395497 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 140033230646 its reverse (646032330041), we get a palindrome (786065560687).

The spelling of 140033230646 in words is "one hundred forty billion, thirty-three million, two hundred thirty thousand, six hundred forty-six".