140193563 has 12 divisors (see below), whose sum is σ = 146256984. Its totient is φ = 134366400.

The previous prime is 140193541. The next prime is 140193583. The reversal of 140193563 is 365391041.

It is not a de Polignac number, because 140193563 - 2¹⁰ = 140192539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140193523) 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, 107948 + ... + 109238.

It is an arithmetic number, because the mean of its divisors is an integer number (12188082).

Almost surely, 2^140193563 is an apocalyptic number.

140193563 is a deficient number, since it is larger than the sum of its proper divisors (6063421).

140193563 is a wasteful number, since it uses less digits than its factorization.

140193563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 140193563 is about 11840.3362705626. The cubic root of 140193563 is about 519.4886034918.

The spelling of 140193563 in words is "one hundred forty million, one hundred ninety-three thousand, five hundred sixty-three".