2157133 has 8 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 1912800.

The previous prime is 2157131. The next prime is 2157149. The reversal of 2157133 is 3317512.

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 2157133 - 2¹ = 2157131 is a prime.

It is a Duffinian number.

2157133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157131) 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, 1941 + ... + 2842.

It is an arithmetic number, because the mean of its divisors is an integer number (301392).

2^2157133 is an apocalyptic number.

It is an amenable number.

2157133 is a deficient number, since it is larger than the sum of its proper divisors (254003).

2157133 is a wasteful number, since it uses less digits than its factorization.

2157133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835.

The product of its digits is 630, while the sum is 22.

The square root of 2157133 is about 1468.7181485908. The cubic root of 2157133 is about 129.2088638176.

The spelling of 2157133 in words is "two million, one hundred fifty-seven thousand, one hundred thirty-three".