136134665 has 8 divisors (see below), whose sum is σ = 163944648. Its totient is φ = 108519040.

The previous prime is 136134643. The next prime is 136134679. The reversal of 136134665 is 566431631.

It can be written as a sum of positive squares in 4 ways, for example, as 14341369 + 121793296 = 3787^2 + 11036^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-136134665 is a prime.

It is a Duffinian 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, 47042 + ... + 49851.

It is an arithmetic number, because the mean of its divisors is an integer number (20493081).

Almost surely, 2^136134665 is an apocalyptic number.

It is an amenable number.

136134665 is a deficient number, since it is larger than the sum of its proper divisors (27809983).

136134665 is an equidigital number, since it uses as much as digits as its factorization.

136134665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97179.

The product of its digits is 38880, while the sum is 35.

The square root of 136134665 is about 11667.6760753802. The cubic root of 136134665 is about 514.4259982349.

The spelling of 136134665 in words is "one hundred thirty-six million, one hundred thirty-four thousand, six hundred sixty-five".