128034134 has 16 divisors (see below), whose sum is σ = 201833808. Its totient is φ = 60836832.

The previous prime is 128034131. The next prime is 128034139. The reversal of 128034134 is 431430821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128034131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16937 + ... + 23300.

It is an arithmetic number, because the mean of its divisors is an integer number (12614613).

Almost surely, 2^128034134 is an apocalyptic number.

128034134 is a deficient number, since it is larger than the sum of its proper divisors (73799674).

128034134 is a wasteful number, since it uses less digits than its factorization.

128034134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40319.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 128034134 is about 11315.2169223573. The cubic root of 128034134 is about 504.0132140442.

Adding to 128034134 its reverse (431430821), we get a palindrome (559464955).

The spelling of 128034134 in words is "one hundred twenty-eight million, thirty-four thousand, one hundred thirty-four".