34128189 has 32 divisors (see below), whose sum is σ = 52026240. Its totient is φ = 22104576.

The previous prime is 34128169. The next prime is 34128217. The reversal of 34128189 is 98182143.

It is not a de Polignac number, because 34128189 - 2¹² = 34124093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34128119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217299 + ... + 217455.

It is an arithmetic number, because the mean of its divisors is an integer number (1625820).

Almost surely, 2^34128189 is an apocalyptic number.

It is an amenable number.

34128189 is a deficient number, since it is larger than the sum of its proper divisors (17898051).

34128189 is a wasteful number, since it uses less digits than its factorization.

34128189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 340 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 34128189 is about 5841.9336695995. The cubic root of 34128189 is about 324.3678093230.

The spelling of 34128189 in words is "thirty-four million, one hundred twenty-eight thousand, one hundred eighty-nine".