994135588 has 12 divisors (see below), whose sum is σ = 1842074892. Its totient is φ = 467828480.

The previous prime is 994135547. The next prime is 994135589. The reversal of 994135588 is 885531499.

It can be written as a sum of positive squares in 2 ways, for example, as 917362944 + 76772644 = 30288^2 + 8762^2 .

It is not an unprimeable number, because it can be changed into a prime (994135589) by changing a digit.

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, 7309753 + ... + 7309888.

It is an arithmetic number, because the mean of its divisors is an integer number (153506241).

Almost surely, 2^994135588 is an apocalyptic number.

It is an amenable number.

994135588 is a deficient number, since it is larger than the sum of its proper divisors (847939304).

994135588 is a wasteful number, since it uses less digits than its factorization.

994135588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14619662 (or 14619660 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 52.

The square root of 994135588 is about 31529.9157626531. The cubic root of 994135588 is about 998.0413622428.

The spelling of 994135588 in words is "nine hundred ninety-four million, one hundred thirty-five thousand, five hundred eighty-eight".