136490017 has 4 divisors (see below), whose sum is σ = 136752516. Its totient is φ = 136227520.

The previous prime is 136489987. The next prime is 136490023. The reversal of 136490017 is 710094631.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14409616 + 122080401 = 3796^2 + 11049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136490017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136490917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130468 + ... + 131509.

It is an arithmetic number, because the mean of its divisors is an integer number (34188129).

Almost surely, 2^136490017 is an apocalyptic number.

It is an amenable number.

136490017 is a deficient number, since it is larger than the sum of its proper divisors (262499).

136490017 is an equidigital number, since it uses as much as digits as its factorization.

136490017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262498.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 136490017 is about 11682.8942047765. The cubic root of 136490017 is about 514.8732110038.

The spelling of 136490017 in words is "one hundred thirty-six million, four hundred ninety thousand, seventeen".