134840136 has 32 divisors (see below), whose sum is σ = 346213440. Its totient is φ = 43731648.

The previous prime is 134840117. The next prime is 134840137. The reversal of 134840136 is 631048431.

It is not an unprimeable number, because it can be changed into a prime (134840137) 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, 75036 + ... + 76811.

It is an arithmetic number, because the mean of its divisors is an integer number (10819170).

Almost surely, 2^134840136 is an apocalyptic number.

It is an amenable number.

134840136 is an abundant number, since it is smaller than the sum of its proper divisors (211373304).

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

134840136 is a wasteful number, since it uses less digits than its factorization.

134840136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151893 (or 151889 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 134840136 is about 11612.0685495738. The cubic root of 134840136 is about 512.7902124701.

Adding to 134840136 its reverse (631048431), we get a palindrome (765888567).

The spelling of 134840136 in words is "one hundred thirty-four million, eight hundred forty thousand, one hundred thirty-six".