135500851 has 2 divisors, whose sum is σ = 135500852. Its totient is φ = 135500850.

The previous prime is 135500839. The next prime is 135500881. The reversal of 135500851 is 158005531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135500851 - 2¹⁹ = 134976563 is a prime.

It is not a weakly prime, because it can be changed into another prime (135500881) 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, 67750425 + 67750426.

It is an arithmetic number, because the mean of its divisors is an integer number (67750426).

Almost surely, 2^135500851 is an apocalyptic number.

135500851 is a deficient number, since it is larger than the sum of its proper divisors (1).

135500851 is an equidigital number, since it uses as much as digits as its factorization.

135500851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 135500851 is about 11640.4832803454. The cubic root of 135500851 is about 513.6264034131.

The spelling of 135500851 in words is "one hundred thirty-five million, five hundred thousand, eight hundred fifty-one".