129691353 has 16 divisors (see below), whose sum is σ = 189740736. Its totient is φ = 78143040.

The previous prime is 129691339. The next prime is 129691363. The reversal of 129691353 is 353196921.

It is not a de Polignac number, because 129691353 - 2⁴ = 129691337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129691313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5650 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (11858796).

Almost surely, 2^129691353 is an apocalyptic number.

It is an amenable number.

129691353 is a deficient number, since it is larger than the sum of its proper divisors (60049383).

129691353 is a wasteful number, since it uses less digits than its factorization.

129691353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22904.

The product of its digits is 43740, while the sum is 39.

The square root of 129691353 is about 11388.2111413514. The cubic root of 129691353 is about 506.1784757359.

The spelling of 129691353 in words is "one hundred twenty-nine million, six hundred ninety-one thousand, three hundred fifty-three".