188136701 has 2 divisors, whose sum is σ = 188136702. Its totient is φ = 188136700.

The previous prime is 188136691. The next prime is 188136713. The reversal of 188136701 is 107631881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187279225 + 857476 = 13685^2 + 926^2 .

It is a cyclic number.

It is not a de Polignac number, because 188136701 - 2¹⁰ = 188135677 is a prime.

It is a Chen prime.

It is equal to p_10457756 and since 188136701 and 10457756 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188136721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94068350 + 94068351.

It is an arithmetic number, because the mean of its divisors is an integer number (94068351).

Almost surely, 2^188136701 is an apocalyptic number.

It is an amenable number.

188136701 is a deficient number, since it is larger than the sum of its proper divisors (1).

188136701 is an equidigital number, since it uses as much as digits as its factorization.

188136701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 188136701 is about 13716.2932674976. The cubic root of 188136701 is about 573.0042477403.

The spelling of 188136701 in words is "one hundred eighty-eight million, one hundred thirty-six thousand, seven hundred one".