996130042 has 4 divisors (see below), whose sum is σ = 1494195066. Its totient is φ = 498065020.

The previous prime is 996130033. The next prime is 996130049. The reversal of 996130042 is 240031699.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 831803281 + 164326761 = 28841^2 + 12819^2 .

It is not an unprimeable number, because it can be changed into a prime (996130049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249032509 + ... + 249032512.

Almost surely, 2^996130042 is an apocalyptic number.

996130042 is a deficient number, since it is larger than the sum of its proper divisors (498065024).

996130042 is a wasteful number, since it uses less digits than its factorization.

996130042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498065023.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 996130042 is about 31561.5278780987. The cubic root of 996130042 is about 998.7083463492.

The spelling of 996130042 in words is "nine hundred ninety-six million, one hundred thirty thousand, forty-two".