136750217 has 4 divisors (see below), whose sum is σ = 136773636. Its totient is φ = 136726800.

The previous prime is 136750199. The next prime is 136750231. The reversal of 136750217 is 712057631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29855296 + 106894921 = 5464^2 + 10339^2 .

It is a cyclic number.

It is not a de Polignac number, because 136750217 - 2¹⁸ = 136488073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136750247) 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, 4967 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (34193409).

Almost surely, 2^136750217 is an apocalyptic number.

It is an amenable number.

136750217 is a deficient number, since it is larger than the sum of its proper divisors (23419).

136750217 is a wasteful number, since it uses less digits than its factorization.

136750217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23418.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 136750217 is about 11694.0248417728. The cubic root of 136750217 is about 515.2001823348.

The spelling of 136750217 in words is "one hundred thirty-six million, seven hundred fifty thousand, two hundred seventeen".