139963089 has 16 divisors (see below), whose sum is σ = 217302912. Its totient is φ = 78469248.

The previous prime is 139963079. The next prime is 139963111. The reversal of 139963089 is 980369931.

It is a happy number.

139963089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139963089 - 2⁹ = 139962577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139963049) 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, 61764 + ... + 63989.

It is an arithmetic number, because the mean of its divisors is an integer number (13581432).

Almost surely, 2^139963089 is an apocalyptic number.

It is an amenable number.

139963089 is a deficient number, since it is larger than the sum of its proper divisors (77339823).

139963089 is a wasteful number, since it uses less digits than its factorization.

139963089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125816.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 139963089 is about 11830.5996889422. The cubic root of 139963089 is about 519.2037728051.

The spelling of 139963089 in words is "one hundred thirty-nine million, nine hundred sixty-three thousand, eighty-nine".