134091636 has 72 divisors (see below), whose sum is σ = 367871616. Its totient is φ = 37900800.

The previous prime is 134091619. The next prime is 134091641. The reversal of 134091636 is 636190431.

It is a junction number, because it is equal to n+sod(n) for n = 134091597 and 134091606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55861 + ... + 58211.

It is an arithmetic number, because the mean of its divisors is an integer number (5109328).

Almost surely, 2^134091636 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 134091636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183935808).

134091636 is an abundant number, since it is smaller than the sum of its proper divisors (233779980).

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

134091636 is a wasteful number, since it uses less digits than its factorization.

134091636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 134091636 is about 11579.7942986911. The cubic root of 134091636 is about 511.8396154954.

The spelling of 134091636 in words is "one hundred thirty-four million, ninety-one thousand, six hundred thirty-six".