134437685 has 4 divisors (see below), whose sum is σ = 161325228. Its totient is φ = 107550144.

The previous prime is 134437679. The next prime is 134437703. The reversal of 134437685 is 586734431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60855601 + 73582084 = 7801^2 + 8578^2 .

It is a cyclic number.

It is not a de Polignac number, because 134437685 - 2⁶ = 134437621 is a prime.

It is a super-2 number, since 2×134437685² = 36146982296318450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13443764 + ... + 13443773.

It is an arithmetic number, because the mean of its divisors is an integer number (40331307).

Almost surely, 2^134437685 is an apocalyptic number.

It is an amenable number.

134437685 is a deficient number, since it is larger than the sum of its proper divisors (26887543).

134437685 is an equidigital number, since it uses as much as digits as its factorization.

134437685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26887542.

The product of its digits is 241920, while the sum is 41.

The square root of 134437685 is about 11594.7266030726. The cubic root of 134437685 is about 512.2795371419.

The spelling of 134437685 in words is "one hundred thirty-four million, four hundred thirty-seven thousand, six hundred eighty-five".