129460195 has 4 divisors (see below), whose sum is σ = 155352240. Its totient is φ = 103568152.

The previous prime is 129460187. The next prime is 129460207. The reversal of 129460195 is 591064921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 591064921 = 29 ⋅20381549.

It is a cyclic number.

It is not a de Polignac number, because 129460195 - 2³ = 129460187 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12946015 + ... + 12946024.

It is an arithmetic number, because the mean of its divisors is an integer number (38838060).

Almost surely, 2^129460195 is an apocalyptic number.

129460195 is a deficient number, since it is larger than the sum of its proper divisors (25892045).

129460195 is an equidigital number, since it uses as much as digits as its factorization.

129460195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25892044.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 129460195 is about 11378.0576110336. The cubic root of 129460195 is about 505.8775644132.

The spelling of 129460195 in words is "one hundred twenty-nine million, four hundred sixty thousand, one hundred ninety-five".