214128151 has 4 divisors (see below), whose sum is σ = 214228600. Its totient is φ = 214027704.

The previous prime is 214128133. The next prime is 214128163. The reversal of 214128151 is 151821412.

214128151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 214128151 - 2¹⁵ = 214095383 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 (214128121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46956 + ... + 51313.

It is an arithmetic number, because the mean of its divisors is an integer number (53557150).

Almost surely, 2^214128151 is an apocalyptic number.

214128151 is a deficient number, since it is larger than the sum of its proper divisors (100449).

214128151 is an equidigital number, since it uses as much as digits as its factorization.

214128151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100448.

The product of its digits is 640, while the sum is 25.

The square root of 214128151 is about 14633.1182937882. The cubic root of 214128151 is about 598.2617756378.

Adding to 214128151 its reverse (151821412), we get a palindrome (365949563).

The spelling of 214128151 in words is "two hundred fourteen million, one hundred twenty-eight thousand, one hundred fifty-one".