136248823 has 2 divisors, whose sum is σ = 136248824. Its totient is φ = 136248822.

The previous prime is 136248799. The next prime is 136248841. The reversal of 136248823 is 328842631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136248823 - 2¹³ = 136240631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136248883) 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, 68124411 + 68124412.

It is an arithmetic number, because the mean of its divisors is an integer number (68124412).

Almost surely, 2^136248823 is an apocalyptic number.

136248823 is a deficient number, since it is larger than the sum of its proper divisors (1).

136248823 is an equidigital number, since it uses as much as digits as its factorization.

136248823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 136248823 is about 11672.5671126792. The cubic root of 136248823 is about 514.5697515681.

The spelling of 136248823 in words is "one hundred thirty-six million, two hundred forty-eight thousand, eight hundred twenty-three".