136651201 has 2 divisors, whose sum is σ = 136651202. Its totient is φ = 136651200.

The previous prime is 136651189. The next prime is 136651241. The reversal of 136651201 is 102156631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 19492225 = 10824^2 + 4415^2 .

It is an emirp because it is prime and its reverse (102156631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136651201 - 2⁵ = 136651169 is a prime.

It is not a weakly prime, because it can be changed into another prime (136651241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68325600 + 68325601.

It is an arithmetic number, because the mean of its divisors is an integer number (68325601).

Almost surely, 2^136651201 is an apocalyptic number.

It is an amenable number.

136651201 is a deficient number, since it is larger than the sum of its proper divisors (1).

136651201 is an equidigital number, since it uses as much as digits as its factorization.

136651201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 136651201 is about 11689.7904600553. The cubic root of 136651201 is about 515.0758062288.

The spelling of 136651201 in words is "one hundred thirty-six million, six hundred fifty-one thousand, two hundred one".