134128016 has 60 divisors (see below), whose sum is σ = 295619100. Its totient is φ = 58840320.

The previous prime is 134128013. The next prime is 134128021. The reversal of 134128016 is 610821431.

It can be written as a sum of positive squares in 2 ways, for example, as 49561600 + 84566416 = 7040^2 + 9196^2 .

It is not an unprimeable number, because it can be changed into a prime (134128013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54950 + ... + 57338.

It is an arithmetic number, because the mean of its divisors is an integer number (4926985).

Almost surely, 2^134128016 is an apocalyptic number.

134128016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

134128016 is the 6191-st centered heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134128016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147809550).

134128016 is an abundant number, since it is smaller than the sum of its proper divisors (161491084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134128016 is a wasteful number, since it uses less digits than its factorization.

134128016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 134128016 is about 11581.3650318086. The cubic root of 134128016 is about 511.8858998674.

Adding to 134128016 its reverse (610821431), we get a palindrome (744949447).

The spelling of 134128016 in words is "one hundred thirty-four million, one hundred twenty-eight thousand, sixteen".