134209086 has 48 divisors (see below), whose sum is σ = 296415504. Its totient is φ = 40480000.

The previous prime is 134209069. The next prime is 134209109. The reversal of 134209086 is 680902431.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290896 + ... + 291356.

It is an arithmetic number, because the mean of its divisors is an integer number (6175323).

Almost surely, 2^134209086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134209086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148207752).

134209086 is an abundant number, since it is smaller than the sum of its proper divisors (162206418).

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

134209086 is a wasteful number, since it uses less digits than its factorization.

134209086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 134209086 is about 11584.8645222980. The cubic root of 134209086 is about 511.9890108929.

The spelling of 134209086 in words is "one hundred thirty-four million, two hundred nine thousand, eighty-six".