4138320128997 has 8 divisors (see below), whose sum is σ = 5517788507200. Its totient is φ = 2758865918400.

The previous prime is 4138320128993. The next prime is 4138320129007. The reversal of 4138320128997 is 7998210238314.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4138320128997 - 2² = 4138320128993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138320128993) 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, 2840497 + ... + 4042902.

It is an arithmetic number, because the mean of its divisors is an integer number (689723563400).

Almost surely, 2^{4138320128997} is an apocalyptic number.

It is an amenable number.

4138320128997 is a deficient number, since it is larger than the sum of its proper divisors (1379468378203).

4138320128997 is a wasteful number, since it uses less digits than its factorization.

4138320128997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7083803.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 4138320128997 in words is "four trillion, one hundred thirty-eight billion, three hundred twenty million, one hundred twenty-eight thousand, nine hundred ninety-seven".