140500636 has 6 divisors (see below), whose sum is σ = 245876120. Its totient is φ = 70250316.

The previous prime is 140500627. The next prime is 140500637. The reversal of 140500636 is 636005041.

It is a self number, because there is not a number n which added to its sum of digits gives 140500636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140500637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17562576 + ... + 17562583.

Almost surely, 2^140500636 is an apocalyptic number.

It is an amenable number.

140500636 is a deficient number, since it is larger than the sum of its proper divisors (105375484).

140500636 is a wasteful number, since it uses less digits than its factorization.

140500636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35125163 (or 35125161 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 140500636 is about 11853.2964191401. The cubic root of 140500636 is about 519.8676142280.

Adding to 140500636 its reverse (636005041), we get a palindrome (776505677).

The spelling of 140500636 in words is "one hundred forty million, five hundred thousand, six hundred thirty-six".