139930563 has 8 divisors (see below), whose sum is σ = 189202176. Its totient is φ = 91973000.

The previous prime is 139930529. The next prime is 139930591. The reversal of 139930563 is 365039931.

139930563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139930563 - 2⁹ = 139930051 is a prime.

It is a super-2 number, since 2×139930563² = 39161124922993938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139930363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328263 + ... + 328688.

It is an arithmetic number, because the mean of its divisors is an integer number (23650272).

Almost surely, 2^139930563 is an apocalyptic number.

139930563 is a deficient number, since it is larger than the sum of its proper divisors (49271613).

139930563 is an equidigital number, since it uses as much as digits as its factorization.

139930563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657025.

The product of its (nonzero) digits is 65610, while the sum is 39.

The square root of 139930563 is about 11829.2249534786. The cubic root of 139930563 is about 519.1635504618.

The spelling of 139930563 in words is "one hundred thirty-nine million, nine hundred thirty thousand, five hundred sixty-three".