134698666 has 4 divisors (see below), whose sum is σ = 202048002. Its totient is φ = 67349332.

The previous prime is 134698643. The next prime is 134698687. The reversal of 134698666 is 666896431.

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

It can be written as a sum of positive squares in only one way, i.e., 73530625 + 61168041 = 8575^2 + 7821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33674665 + ... + 33674668.

Almost surely, 2^134698666 is an apocalyptic number.

134698666 is a deficient number, since it is larger than the sum of its proper divisors (67349336).

134698666 is an equidigital number, since it uses as much as digits as its factorization.

134698666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67349335.

The product of its digits is 1119744, while the sum is 49.

The square root of 134698666 is about 11605.9754437100. The cubic root of 134698666 is about 512.6108152996.

The spelling of 134698666 in words is "one hundred thirty-four million, six hundred ninety-eight thousand, six hundred sixty-six".