129645348 has 48 divisors (see below), whose sum is σ = 356880384. Its totient is φ = 35845920.

The previous prime is 129645323. The next prime is 129645353. The reversal of 129645348 is 843546921.

It is a super-2 number, since 2×129645348² = 33615832516082208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22290 + ... + 27497.

It is an arithmetic number, because the mean of its divisors is an integer number (7435008).

Almost surely, 2^129645348 is an apocalyptic number.

It is an amenable number.

129645348 is an abundant number, since it is smaller than the sum of its proper divisors (227235036).

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

129645348 is a wasteful number, since it uses less digits than its factorization.

129645348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49832 (or 49830 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 129645348 is about 11386.1911102879. The cubic root of 129645348 is about 506.1186169654.

The spelling of 129645348 in words is "one hundred twenty-nine million, six hundred forty-five thousand, three hundred forty-eight".