134740386 has 24 divisors (see below), whose sum is σ = 318477744. Its totient is φ = 40830360.

The previous prime is 134740373. The next prime is 134740427. The reversal of 134740386 is 683047431.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134740386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340056 + ... + 340451.

It is an arithmetic number, because the mean of its divisors is an integer number (13269906).

Almost surely, 2^134740386 is an apocalyptic number.

134740386 is an abundant number, since it is smaller than the sum of its proper divisors (183737358).

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

134740386 is a wasteful number, since it uses less digits than its factorization.

134740386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680526 (or 680523 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 134740386 is about 11607.7726545621. The cubic root of 134740386 is about 512.6637332095.

The spelling of 134740386 in words is "one hundred thirty-four million, seven hundred forty thousand, three hundred eighty-six".