134665684 has 6 divisors (see below), whose sum is σ = 235664954. Its totient is φ = 67332840.

The previous prime is 134665649. The next prime is 134665693. The reversal of 134665684 is 486566431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105267600 + 29398084 = 10260^2 + 5422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134665684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16833207 + ... + 16833214.

Almost surely, 2^134665684 is an apocalyptic number.

It is an amenable number.

134665684 is a deficient number, since it is larger than the sum of its proper divisors (100999270).

134665684 is a wasteful number, since it uses less digits than its factorization.

134665684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33666425 (or 33666423 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 134665684 is about 11604.5544507318. The cubic root of 134665684 is about 512.5689729896.

The spelling of 134665684 in words is "one hundred thirty-four million, six hundred sixty-five thousand, six hundred eighty-four".