840802130 has 16 divisors (see below), whose sum is σ = 1729650240. Its totient is φ = 288274992.

The previous prime is 840802069. The next prime is 840802139. The reversal of 840802130 is 31208048.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 840802130.

It is not an unprimeable number, because it can be changed into a prime (840802139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6005660 + ... + 6005799.

It is an arithmetic number, because the mean of its divisors is an integer number (108103140).

Almost surely, 2^840802130 is an apocalyptic number.

840802130 is an abundant number, since it is smaller than the sum of its proper divisors (888848110).

840802130 is a wasteful number, since it uses less digits than its factorization.

840802130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011473.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 840802130 is about 28996.5882475853. The cubic root of 840802130 is about 943.8390341568.

The spelling of 840802130 in words is "eight hundred forty million, eight hundred two thousand, one hundred thirty".