136667005 has 8 divisors (see below), whose sum is σ = 164063232. Its totient is φ = 109291728.

The previous prime is 136666993. The next prime is 136667017. The reversal of 136667005 is 500766631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (136666993) and next prime (136667017).

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

It is a cyclic number.

It is not a de Polignac number, because 136667005 - 2⁵ = 136666973 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 22084 + ... + 27586.

It is an arithmetic number, because the mean of its divisors is an integer number (20507904).

Almost surely, 2^136667005 is an apocalyptic number.

It is an amenable number.

136667005 is a deficient number, since it is larger than the sum of its proper divisors (27396227).

136667005 is an equidigital number, since it uses as much as digits as its factorization.

136667005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10475.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 136667005 is about 11690.4664149896. The cubic root of 136667005 is about 515.0956619983.

The spelling of 136667005 in words is "one hundred thirty-six million, six hundred sixty-seven thousand, five".