134520986 has 8 divisors (see below), whose sum is σ = 201886560. Its totient is φ = 67225468.

The previous prime is 134520979. The next prime is 134520989. The reversal of 134520986 is 689025431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134520989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12416 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (25235820).

Almost surely, 2^134520986 is an apocalyptic number.

134520986 is a deficient number, since it is larger than the sum of its proper divisors (67365574).

134520986 is a wasteful number, since it uses less digits than its factorization.

134520986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35028.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 134520986 is about 11598.3182401588. The cubic root of 134520986 is about 512.3853224280.

The spelling of 134520986 in words is "one hundred thirty-four million, five hundred twenty thousand, nine hundred eighty-six".