134520786 has 12 divisors (see below), whose sum is σ = 291461742. Its totient is φ = 44840256.

The previous prime is 134520773. The next prime is 134520787. The reversal of 134520786 is 687025431.

It can be written as a sum of positive squares in only one way, i.e., 82464561 + 52056225 = 9081^2 + 7215^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134520786.

It is not an unprimeable number, because it can be changed into a prime (134520787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3736671 + ... + 3736706.

Almost surely, 2^134520786 is an apocalyptic number.

134520786 is an abundant number, since it is smaller than the sum of its proper divisors (156940956).

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

134520786 is a wasteful number, since it uses less digits than its factorization.

134520786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473385 (or 7473382 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 134520786 is about 11598.3096182159. The cubic root of 134520786 is about 512.3850684971.

The spelling of 134520786 in words is "one hundred thirty-four million, five hundred twenty thousand, seven hundred eighty-six".