2154500133 has 16 divisors (see below), whose sum is σ = 2888493696. Its totient is φ = 1428439040.

The previous prime is 2154500119. The next prime is 2154500141. The reversal of 2154500133 is 3310054512.

It is a cyclic number.

It is not a de Polignac number, because 2154500133 - 2³⁰ = 1080758309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154500143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570973 + ... + 574733.

It is an arithmetic number, because the mean of its divisors is an integer number (180530856).

Almost surely, 2^2154500133 is an apocalyptic number.

It is an amenable number.

2154500133 is a deficient number, since it is larger than the sum of its proper divisors (733993563).

2154500133 is a wasteful number, since it uses less digits than its factorization.

2154500133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2154500133 is about 46416.5932937780. The cubic root of 2154500133 is about 1291.5627422254.

Adding to 2154500133 its reverse (3310054512), we get a palindrome (5464554645).

The spelling of 2154500133 in words is "two billion, one hundred fifty-four million, five hundred thousand, one hundred thirty-three".