214128575 has 12 divisors (see below), whose sum is σ = 279494760. Its totient is φ = 162286560.

The previous prime is 214128553. The next prime is 214128653. The reversal of 214128575 is 575821412.

It is a de Polignac number, because none of the positive numbers 2^k-214128575 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224924 + ... + 225873.

It is an arithmetic number, because the mean of its divisors is an integer number (23291230).

Almost surely, 2^214128575 is an apocalyptic number.

214128575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

214128575 is a deficient number, since it is larger than the sum of its proper divisors (65366185).

214128575 is a wasteful number, since it uses less digits than its factorization.

214128575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450826 (or 450821 counting only the distinct ones).

The product of its digits is 22400, while the sum is 35.

The square root of 214128575 is about 14633.1327814655. The cubic root of 214128575 is about 598.2621705148.

Adding to 214128575 its reverse (575821412), we get a palindrome (789949987).

The spelling of 214128575 in words is "two hundred fourteen million, one hundred twenty-eight thousand, five hundred seventy-five".