999134032032 has 72 divisors (see below), whose sum is σ = 2841537718656. Its totient is φ = 333015336576.

The previous prime is 999134032007. The next prime is 999134032037. The reversal of 999134032032 is 230230431999.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (999134032037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3253503 + ... + 3547329.

It is an arithmetic number, because the mean of its divisors is an integer number (39465801648).

Almost surely, 2^999134032032 is an apocalyptic number.

It is an amenable number.

999134032032 is an abundant number, since it is smaller than the sum of its proper divisors (1842403686624).

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

999134032032 is a wasteful number, since it uses less digits than its factorization.

999134032032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305650 (or 305639 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The spelling of 999134032032 in words is "nine hundred ninety-nine billion, one hundred thirty-four million, thirty-two thousand, thirty-two".