140199636 has 24 divisors (see below), whose sum is σ = 327481504. Its totient is φ = 46683360.

The previous prime is 140199607. The next prime is 140199671. The reversal of 140199636 is 636991041.

It is a junction number, because it is equal to n+sod(n) for n = 140199594 and 140199603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6531 + ... + 17973.

Almost surely, 2^140199636 is an apocalyptic number.

It is an amenable number.

140199636 is an abundant number, since it is smaller than the sum of its proper divisors (187281868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140199636 is a wasteful number, since it uses less digits than its factorization.

140199636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471 (or 12469 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 140199636 is about 11840.5927216504. The cubic root of 140199636 is about 519.4961045703.

The spelling of 140199636 in words is "one hundred forty million, one hundred ninety-nine thousand, six hundred thirty-six".