499999130 has 32 divisors (see below), whose sum is σ = 926658576. Its totient is φ = 194102784.

The previous prime is 499999103. The next prime is 499999133. The reversal of 499999130 is 31999994.

It can be written as a sum of positive squares in 8 ways, for example, as 343323841 + 156675289 = 18529^2 + 12517^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499999133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167612 + ... + 170568.

Almost surely, 2^499999130 is an apocalyptic number.

499999130 is a deficient number, since it is larger than the sum of its proper divisors (426659446).

499999130 is a wasteful number, since it uses less digits than its factorization.

499999130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458.

The product of its (nonzero) digits is 708588, while the sum is 53.

The square root of 499999130 is about 22360.6603211980. The cubic root of 499999130 is about 793.7000656375.

The spelling of 499999130 in words is "four hundred ninety-nine million, nine hundred ninety-nine thousand, one hundred thirty".