129459370 has 8 divisors (see below), whose sum is σ = 233026884. Its totient is φ = 51783744.

The previous prime is 129459367. The next prime is 129459371. The reversal of 129459370 is 73954921.

It can be written as a sum of positive squares in 2 ways, for example, as 129254161 + 205209 = 11369^2 + 453^2 .

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

It is not an unprimeable number, because it can be changed into a prime (129459371) 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, 6472959 + ... + 6472978.

Almost surely, 2^129459370 is an apocalyptic number.

129459370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129459370 is a deficient number, since it is larger than the sum of its proper divisors (103567514).

129459370 is a wasteful number, since it uses less digits than its factorization.

129459370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945944.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 129459370 is about 11378.0213569847. The cubic root of 129459370 is about 505.8764898232.

The spelling of 129459370 in words is "one hundred twenty-nine million, four hundred fifty-nine thousand, three hundred seventy".