129713043 has 16 divisors (see below), whose sum is σ = 185638176. Its totient is φ = 80271360.

The previous prime is 129713041. The next prime is 129713071. The reversal of 129713043 is 340317921.

It is not a de Polignac number, because 129713043 - 2¹ = 129713041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129713043.

It is not an unprimeable number, because it can be changed into a prime (129713041) 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, 13698 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (11602386).

Almost surely, 2^129713043 is an apocalyptic number.

129713043 is a deficient number, since it is larger than the sum of its proper divisors (55925133).

129713043 is a wasteful number, since it uses less digits than its factorization.

129713043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34934.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 129713043 is about 11389.1634021117. The cubic root of 129713043 is about 506.2066924697.

The spelling of 129713043 in words is "one hundred twenty-nine million, seven hundred thirteen thousand, forty-three".