139934163 has 16 divisors (see below), whose sum is σ = 188155296. Its totient is φ = 92505600.

The previous prime is 139934153. The next prime is 139934167. The reversal of 139934163 is 361439931.

It is not a de Polignac number, because 139934163 - 2⁵ = 139934131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139934167) 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, 348763 + ... + 349163.

It is an arithmetic number, because the mean of its divisors is an integer number (11759706).

Almost surely, 2^139934163 is an apocalyptic number.

139934163 is a deficient number, since it is larger than the sum of its proper divisors (48221133).

139934163 is a wasteful number, since it uses less digits than its factorization.

139934163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its digits is 52488, while the sum is 39.

The square root of 139934163 is about 11829.3771180058. The cubic root of 139934163 is about 519.1680026051.

The spelling of 139934163 in words is "one hundred thirty-nine million, nine hundred thirty-four thousand, one hundred sixty-three".