134678616 has 64 divisors (see below), whose sum is σ = 353030400. Its totient is φ = 42734208.

The previous prime is 134678591. The next prime is 134678617. The reversal of 134678616 is 616876431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134678617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148035 + ... + 148941.

It is an arithmetic number, because the mean of its divisors is an integer number (5516100).

Almost surely, 2^134678616 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 134678616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176515200).

134678616 is an abundant number, since it is smaller than the sum of its proper divisors (218351784).

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

134678616 is a wasteful number, since it uses less digits than its factorization.

134678616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208 (or 1204 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 134678616 is about 11605.1116323799. Note that the first 3 decimals coincide. The cubic root of 134678616 is about 512.5853798662.

The spelling of 134678616 in words is "one hundred thirty-four million, six hundred seventy-eight thousand, six hundred sixteen".