994136064 has 104 divisors (see below), whose sum is σ = 2807219520. Its totient is φ = 311820288.

The previous prime is 994136063. The next prime is 994136071. The reversal of 994136064 is 460631499.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994136063) 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, 206517 + ... + 211275.

Almost surely, 2^994136064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994136064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403609760).

994136064 is an abundant number, since it is smaller than the sum of its proper divisors (1813083456).

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

994136064 is a wasteful number, since it uses less digits than its factorization.

994136064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4803 (or 4781 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 994136064 is about 31529.9233110390. The cubic root of 994136064 is about 998.0415215328.

The spelling of 994136064 in words is "nine hundred ninety-four million, one hundred thirty-six thousand, sixty-four".