136859573 has 2 divisors, whose sum is σ = 136859574. Its totient is φ = 136859572.

The previous prime is 136859561. The next prime is 136859579. The reversal of 136859573 is 375958631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71944324 + 64915249 = 8482^2 + 8057^2 .

It is a cyclic number.

It is not a de Polignac number, because 136859573 - 2⁴ = 136859557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136859579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68429786 + 68429787.

It is an arithmetic number, because the mean of its divisors is an integer number (68429787).

Almost surely, 2^136859573 is an apocalyptic number.

It is an amenable number.

136859573 is a deficient number, since it is larger than the sum of its proper divisors (1).

136859573 is an equidigital number, since it uses as much as digits as its factorization.

136859573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 136859573 is about 11698.6996285912. The cubic root of 136859573 is about 515.3374769855.

It can be divided in two parts, 13 and 6859573, that added together give a palindrome (6859586).

The spelling of 136859573 in words is "one hundred thirty-six million, eight hundred fifty-nine thousand, five hundred seventy-three".