7214128133 has 8 divisors (see below), whose sum is σ = 7269862080. Its totient is φ = 7158499200.

The previous prime is 7214128121. The next prime is 7214128151. The reversal of 7214128133 is 3318214127.

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

It is a cyclic number.

It is not a de Polignac number, because 7214128133 - 2¹² = 7214124037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7214128133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214128433) 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, 114566 + ... + 165992.

It is an arithmetic number, because the mean of its divisors is an integer number (908732760).

Almost surely, 2^7214128133 is an apocalyptic number.

It is an amenable number.

7214128133 is a deficient number, since it is larger than the sum of its proper divisors (55733947).

7214128133 is a wasteful number, since it uses less digits than its factorization.

7214128133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52507.

The product of its digits is 8064, while the sum is 32.

The square root of 7214128133 is about 84936.0237649491. The cubic root of 7214128133 is about 1932.2409590378.

The spelling of 7214128133 in words is "seven billion, two hundred fourteen million, one hundred twenty-eight thousand, one hundred thirty-three".