129069351 has 12 divisors (see below), whose sum is σ = 189490600. Its totient is φ = 84635280.

The previous prime is 129069349. The next prime is 129069361. The reversal of 129069351 is 153960921.

It is not a de Polignac number, because 129069351 - 2¹ = 129069349 is a prime.

It is a super-2 number, since 2×129069351² = 33317794735122402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129069301) 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, 117001 + ... + 118098.

Almost surely, 2^129069351 is an apocalyptic number.

129069351 is a deficient number, since it is larger than the sum of its proper divisors (60421249).

129069351 is a wasteful number, since it uses less digits than its factorization.

129069351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235166 (or 235163 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 129069351 is about 11360.8692889233. The cubic root of 129069351 is about 505.3679649993.

The spelling of 129069351 in words is "one hundred twenty-nine million, sixty-nine thousand, three hundred fifty-one".