34128135 has 32 divisors (see below), whose sum is σ = 61440960. Its totient is φ = 18195840.

The previous prime is 34128119. The next prime is 34128167. The reversal of 34128135 is 53182143.

It is a happy number.

It is not a de Polignac number, because 34128135 - 2⁴ = 34128119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 34128099 and 34128108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9375 + ... + 12495.

It is an arithmetic number, because the mean of its divisors is an integer number (1920030).

Almost surely, 2^34128135 is an apocalyptic number.

34128135 is a deficient number, since it is larger than the sum of its proper divisors (27312825).

34128135 is an frugal number, since it uses more digits than its factorization.

34128135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 3129 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 34128135 is about 5841.9290478403. The cubic root of 34128135 is about 324.3676382438.

The spelling of 34128135 in words is "thirty-four million, one hundred twenty-eight thousand, one hundred thirty-five".