5135666 has 8 divisors (see below), whose sum is σ = 8156700. Its totient is φ = 2416768.

The previous prime is 5135659. The next prime is 5135671. The reversal of 5135666 is 6665315.

It can be written as a sum of positive squares in 2 ways, for example, as 4906225 + 229441 = 2215^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 75491 + ... + 75558.

Almost surely, 2^5135666 is an apocalyptic number.

5135666 is a deficient number, since it is larger than the sum of its proper divisors (3021034).

5135666 is a wasteful number, since it uses less digits than its factorization.

5135666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151068.

The product of its digits is 16200, while the sum is 32.

The square root of 5135666 is about 2266.2007854557. The cubic root of 5135666 is about 172.5303846218.

The spelling of 5135666 in words is "five million, one hundred thirty-five thousand, six hundred sixty-six".