140813956 has 12 divisors (see below), whose sum is σ = 246507520. Its totient is φ = 70383240.

The previous prime is 140813947. The next prime is 140813963. The reversal of 140813956 is 659318041.

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, 20125 + ... + 26203.

Almost surely, 2^140813956 is an apocalyptic number.

It is an amenable number.

140813956 is a deficient number, since it is larger than the sum of its proper divisors (105693564).

140813956 is a wasteful number, since it uses less digits than its factorization.

140813956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874 (or 11872 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 140813956 is about 11866.5056356115. The cubic root of 140813956 is about 520.2537666710.

The spelling of 140813956 in words is "one hundred forty million, eight hundred thirteen thousand, nine hundred fifty-six".