135502273 has 2 divisors, whose sum is σ = 135502274. Its totient is φ = 135502272.

The previous prime is 135502267. The next prime is 135502309. The reversal of 135502273 is 372205531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83777409 + 51724864 = 9153^2 + 7192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135502273 is a prime.

It is not a weakly prime, because it can be changed into another prime (135502373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67751136 + 67751137.

It is an arithmetic number, because the mean of its divisors is an integer number (67751137).

Almost surely, 2^135502273 is an apocalyptic number.

It is an amenable number.

135502273 is a deficient number, since it is larger than the sum of its proper divisors (1).

135502273 is an equidigital number, since it uses as much as digits as its factorization.

135502273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 135502273 is about 11640.5443601234. The cubic root of 135502273 is about 513.6282001403.

The spelling of 135502273 in words is "one hundred thirty-five million, five hundred two thousand, two hundred seventy-three".