134228916 has 72 divisors (see below), whose sum is σ = 350034048. Its totient is φ = 43344000.

The previous prime is 134228911. The next prime is 134228921. The reversal of 134228916 is 619822431.

It is an interprime number because it is at equal distance from previous prime (134228911) and next prime (134228921).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134228911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 311221 + ... + 311651.

It is an arithmetic number, because the mean of its divisors is an integer number (4861584).

Almost surely, 2^134228916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134228916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175017024).

134228916 is an abundant number, since it is smaller than the sum of its proper divisors (215805132).

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

134228916 is a wasteful number, since it uses less digits than its factorization.

134228916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693 (or 688 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 134228916 is about 11585.7203487742. The cubic root of 134228916 is about 512.0142258824.

The spelling of 134228916 in words is "one hundred thirty-four million, two hundred twenty-eight thousand, nine hundred sixteen".