140541563 has 4 divisors (see below), whose sum is σ = 143969448. Its totient is φ = 137113680.

The previous prime is 140541559. The next prime is 140541619. The reversal of 140541563 is 365145041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140541563 - 2² = 140541559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140541463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713881 + ... + 1713962.

It is an arithmetic number, because the mean of its divisors is an integer number (35992362).

Almost surely, 2^140541563 is an apocalyptic number.

140541563 is a deficient number, since it is larger than the sum of its proper divisors (3427885).

140541563 is an equidigital number, since it uses as much as digits as its factorization.

140541563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427884.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 140541563 is about 11855.0226908260. The cubic root of 140541563 is about 519.9180874426.

The spelling of 140541563 in words is "one hundred forty million, five hundred forty-one thousand, five hundred sixty-three".