129152330 has 16 divisors (see below), whose sum is σ = 235660104. Its totient is φ = 50952960.

The previous prime is 129152321. The next prime is 129152351. The reversal of 129152330 is 33251921.

It can be written as a sum of positive squares in 4 ways, for example, as 106977649 + 22174681 = 10343^2 + 4709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129152330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87731 + ... + 89190.

Almost surely, 2^129152330 is an apocalyptic number.

129152330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129152330 is a deficient number, since it is larger than the sum of its proper divisors (106507774).

129152330 is a wasteful number, since it uses less digits than its factorization.

129152330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177001.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 129152330 is about 11364.5206674105. The cubic root of 129152330 is about 505.4762425637.

The spelling of 129152330 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, three hundred thirty".