140696636 has 12 divisors (see below), whose sum is σ = 248657640. Its totient is φ = 69651600.

The previous prime is 140696627. The next prime is 140696663. The reversal of 140696636 is 636696041.

It is a junction number, because it is equal to n+sod(n) for n = 140696593 and 140696602.

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 3 ways as a sum of consecutive naturals, for example, 173726 + ... + 174533.

It is an arithmetic number, because the mean of its divisors is an integer number (20721470).

Almost surely, 2^140696636 is an apocalyptic number.

It is an amenable number.

140696636 is a deficient number, since it is larger than the sum of its proper divisors (107961004).

140696636 is a wasteful number, since it uses less digits than its factorization.

140696636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348364 (or 348362 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 140696636 is about 11861.5612800339. The cubic root of 140696636 is about 520.1092423346.

The spelling of 140696636 in words is "one hundred forty million, six hundred ninety-six thousand, six hundred thirty-six".