999995142 has 16 divisors (see below), whose sum is σ = 2019793392. Its totient is φ = 330031200.

The previous prime is 999995141. The next prime is 999995239. The reversal of 999995142 is 241599999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999995141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824473 + ... + 825684.

It is an arithmetic number, because the mean of its divisors is an integer number (126237087).

Almost surely, 2^999995142 is an apocalyptic number.

999995142 is an abundant number, since it is smaller than the sum of its proper divisors (1019798250).

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

999995142 is a wasteful number, since it uses less digits than its factorization.

999995142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650263.

The product of its digits is 2361960, while the sum is 57.

The square root of 999995142 is about 31622.6997898661. The cubic root of 999995142 is about 999.9983806640.

The spelling of 999995142 in words is "nine hundred ninety-nine million, nine hundred ninety-five thousand, one hundred forty-two".