129882161513 has 8 divisors (see below), whose sum is σ = 142512212808. Its totient is φ = 117629126784.

The previous prime is 129882161489. The next prime is 129882161527. The reversal of 129882161513 is 315161288921.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47494792489 + 82387369024 = 217933^2 + 287032^2 .

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

It is not a de Polignac number, because 129882161513 - 2⁶ = 129882161449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129882161713) 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, 94253420 + ... + 94254797.

It is an arithmetic number, because the mean of its divisors is an integer number (17814026601).

Almost surely, 2^129882161513 is an apocalyptic number.

129882161513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

129882161513 is a deficient number, since it is larger than the sum of its proper divisors (12630051295).

129882161513 is a wasteful number, since it uses less digits than its factorization.

129882161513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188508283.

The product of its digits is 207360, while the sum is 47.

The spelling of 129882161513 in words is "one hundred twenty-nine billion, eight hundred eighty-two million, one hundred sixty-one thousand, five hundred thirteen".