129703974 has 8 divisors (see below), whose sum is σ = 259407960. Its totient is φ = 43234656.

The previous prime is 129703967. The next prime is 129703993. The reversal of 129703974 is 479307921.

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

129703974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10808659 + ... + 10808670.

It is an arithmetic number, because the mean of its divisors is an integer number (32425995).

Almost surely, 2^129703974 is an apocalyptic number.

129703974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

129703974 is a wasteful number, since it uses less digits than its factorization.

129703974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21617334.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 129703974 is about 11388.7652535295. The cubic root of 129703974 is about 506.1948949013.

The spelling of 129703974 in words is "one hundred twenty-nine million, seven hundred three thousand, nine hundred seventy-four".