129119313 has 4 divisors (see below), whose sum is σ = 172159088. Its totient is φ = 86079540.

The previous prime is 129119311. The next prime is 129119321. The reversal of 129119313 is 313911921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 129119313 - 2¹ = 129119311 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129119311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21519883 + ... + 21519888.

It is an arithmetic number, because the mean of its divisors is an integer number (43039772).

Almost surely, 2^129119313 is an apocalyptic number.

It is an amenable number.

129119313 is a deficient number, since it is larger than the sum of its proper divisors (43039775).

129119313 is an equidigital number, since it uses as much as digits as its factorization.

129119313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43039774.

The product of its digits is 1458, while the sum is 30.

The square root of 129119313 is about 11363.0679396015. The cubic root of 129119313 is about 505.4331649269.

The spelling of 129119313 in words is "one hundred twenty-nine million, one hundred nineteen thousand, three hundred thirteen".