129955153 has 4 divisors (see below), whose sum is σ = 130494628. Its totient is φ = 129415680.

The previous prime is 129955151. The next prime is 129955201. The reversal of 129955153 is 351559921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351559921 = 67 ⋅5247163.

It can be written as a sum of positive squares in 2 ways, for example, as 72982849 + 56972304 = 8543^2 + 7548^2 .

It is a cyclic number.

It is not a de Polignac number, because 129955153 - 2¹ = 129955151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129955151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269376 + ... + 269857.

It is an arithmetic number, because the mean of its divisors is an integer number (32623657).

Almost surely, 2^129955153 is an apocalyptic number.

It is an amenable number.

129955153 is a deficient number, since it is larger than the sum of its proper divisors (539475).

129955153 is an equidigital number, since it uses as much as digits as its factorization.

129955153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539474.

The product of its digits is 60750, while the sum is 40.

The square root of 129955153 is about 11399.7874102985. The cubic root of 129955153 is about 506.5214424412.

The spelling of 129955153 in words is "one hundred twenty-nine million, nine hundred fifty-five thousand, one hundred fifty-three".