129943341 has 12 divisors (see below), whose sum is σ = 204759360. Its totient is φ = 78753480.

The previous prime is 129943321. The next prime is 129943343. The reversal of 129943341 is 143349921.

It is not a de Polignac number, because 129943341 - 2¹⁰ = 129942317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 129943296 and 129943305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129943343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656181 + ... + 656378.

It is an arithmetic number, because the mean of its divisors is an integer number (17063280).

Almost surely, 2^129943341 is an apocalyptic number.

129943341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

129943341 is a deficient number, since it is larger than the sum of its proper divisors (74816019).

129943341 is a wasteful number, since it uses less digits than its factorization.

129943341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312576 (or 1312573 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 129943341 is about 11399.2693186888. The cubic root of 129943341 is about 506.5060955763.

The spelling of 129943341 in words is "one hundred twenty-nine million, nine hundred forty-three thousand, three hundred forty-one".