140637563 has 16 divisors (see below), whose sum is σ = 165264000. Its totient is φ = 118298880.

The previous prime is 140637527. The next prime is 140637599. The reversal of 140637563 is 365736041.

It is an interprime number because it is at equal distance from previous prime (140637527) and next prime (140637599).

It is a cyclic number.

It is not a de Polignac number, because 140637563 - 2⁸ = 140637307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140637163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (10329000).

Almost surely, 2^140637563 is an apocalyptic number.

140637563 is a deficient number, since it is larger than the sum of its proper divisors (24626437).

140637563 is a wasteful number, since it uses less digits than its factorization.

140637563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 140637563 is about 11859.0709163914. The cubic root of 140637563 is about 520.0364409866.

The spelling of 140637563 in words is "one hundred forty million, six hundred thirty-seven thousand, five hundred sixty-three".