136670417 has 8 divisors (see below), whose sum is σ = 152259240. Its totient is φ = 121806720.

The previous prime is 136670371. The next prime is 136670423. The reversal of 136670417 is 714076631.

It can be written as a sum of positive squares in 4 ways, for example, as 3013696 + 133656721 = 1736^2 + 11561^2 .

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 136670417 - 2⁶ = 136670353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136670437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180884 + ... + 181637.

It is an arithmetic number, because the mean of its divisors is an integer number (19032405).

Almost surely, 2^136670417 is an apocalyptic number.

It is an amenable number.

136670417 is a deficient number, since it is larger than the sum of its proper divisors (15588823).

136670417 is a wasteful number, since it uses less digits than its factorization.

136670417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362563.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 136670417 is about 11690.6123449544. The cubic root of 136670417 is about 515.0999485530.

The spelling of 136670417 in words is "one hundred thirty-six million, six hundred seventy thousand, four hundred seventeen".