134393685 has 16 divisors (see below), whose sum is σ = 222445440. Its totient is φ = 69204800.

The previous prime is 134393671. The next prime is 134393689. The reversal of 134393685 is 586393431.

It is not a de Polignac number, because 134393685 - 2⁸ = 134393429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134393689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154041 + ... + 154910.

It is an arithmetic number, because the mean of its divisors is an integer number (13902840).

Almost surely, 2^134393685 is an apocalyptic number.

134393685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134393685 is a deficient number, since it is larger than the sum of its proper divisors (88051755).

134393685 is a wasteful number, since it uses less digits than its factorization.

134393685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308988.

The product of its digits is 233280, while the sum is 42.

The square root of 134393685 is about 11592.8290335017. The cubic root of 134393685 is about 512.2236431933.

The spelling of 134393685 in words is "one hundred thirty-four million, three hundred ninety-three thousand, six hundred eighty-five".