136445750009 has 2 divisors, whose sum is σ = 136445750010. Its totient is φ = 136445750008.

The previous prime is 136445749943. The next prime is 136445750053. The reversal of 136445750009 is 900057544631.

It is an a-pointer prime, because the next prime (136445750053) can be obtained adding 136445750009 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98217679609 + 38228070400 = 313397^2 + 195520^2 .

It is a cyclic number.

It is not a de Polignac number, because 136445750009 - 2³² = 132150782713 is a prime.

It is not a weakly prime, because it can be changed into another prime (136445750209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68222875004 + 68222875005.

It is an arithmetic number, because the mean of its divisors is an integer number (68222875005).

Almost surely, 2^136445750009 is an apocalyptic number.

It is an amenable number.

136445750009 is a deficient number, since it is larger than the sum of its proper divisors (1).

136445750009 is an equidigital number, since it uses as much as digits as its factorization.

136445750009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 136445750009 in words is "one hundred thirty-six billion, four hundred forty-five million, seven hundred fifty thousand, nine".