129490094 has 8 divisors (see below), whose sum is σ = 195718248. Its totient is φ = 64250680.

The previous prime is 129490091. The next prime is 129490117. The reversal of 129490094 is 490094921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129490091) by changing a digit.

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, 246857 + ... + 247380.

It is an arithmetic number, because the mean of its divisors is an integer number (24464781).

Almost surely, 2^129490094 is an apocalyptic number.

129490094 is a deficient number, since it is larger than the sum of its proper divisors (66228154).

129490094 is a wasteful number, since it uses less digits than its factorization.

129490094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494370.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 129490094 is about 11379.3714237650. The cubic root of 129490094 is about 505.9165057755.

The spelling of 129490094 in words is "one hundred twenty-nine million, four hundred ninety thousand, ninety-four".