999918240134 has 16 divisors (see below), whose sum is σ = 1654614455760. Its totient is φ = 449401455360.

The previous prime is 999918240091. The next prime is 999918240173. The reversal of 999918240134 is 431042819999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255339779 + ... + 255343694.

It is an arithmetic number, because the mean of its divisors is an integer number (103413403485).

Almost surely, 2^999918240134 is an apocalyptic number.

999918240134 is a deficient number, since it is larger than the sum of its proper divisors (654696215626).

999918240134 is a wasteful number, since it uses less digits than its factorization.

999918240134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510683575.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 999918240134 in words is "nine hundred ninety-nine billion, nine hundred eighteen million, two hundred forty thousand, one hundred thirty-four".