129705348 has 24 divisors (see below), whose sum is σ = 304827040. Its totient is φ = 42923520.

The previous prime is 129705347. The next prime is 129705353. The reversal of 129705348 is 843507921.

It is a super-2 number, since 2×129705348² = 33646954599602208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129705341) 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, 37213 + ... + 40548.

Almost surely, 2^129705348 is an apocalyptic number.

It is an amenable number.

129705348 is an abundant number, since it is smaller than the sum of its proper divisors (175121692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129705348 is a wasteful number, since it uses less digits than its factorization.

129705348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77907 (or 77905 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 129705348 is about 11388.8255759758. The cubic root of 129705348 is about 506.1966823288.

The spelling of 129705348 in words is "one hundred twenty-nine million, seven hundred five thousand, three hundred forty-eight".