80013129 has 48 divisors (see below), whose sum is σ = 130583808. Its totient is φ = 43400448.

The previous prime is 80013127. The next prime is 80013133. The reversal of 80013129 is 92131008.

It is not a de Polignac number, because 80013129 - 2¹ = 80013127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80013099 and 80013108.

It is not an unprimeable number, because it can be changed into a prime (80013121) 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 47 ways as a sum of consecutive naturals, for example, 255477 + ... + 255789.

It is an arithmetic number, because the mean of its divisors is an integer number (2720496).

Almost surely, 2^80013129 is an apocalyptic number.

It is an amenable number.

80013129 is a deficient number, since it is larger than the sum of its proper divisors (50570679).

80013129 is a wasteful number, since it uses less digits than its factorization.

80013129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 80013129 is about 8945.0058133016. The cubic root of 80013129 is about 430.9105080279.

The spelling of 80013129 in words is "eighty million, thirteen thousand, one hundred twenty-nine".