135100423 has 2 divisors, whose sum is σ = 135100424. Its totient is φ = 135100422.

The previous prime is 135100417. The next prime is 135100439. The reversal of 135100423 is 324001531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135100423 - 2¹³ = 135092231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135100423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135100403) 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, 67550211 + 67550212.

It is an arithmetic number, because the mean of its divisors is an integer number (67550212).

Almost surely, 2^135100423 is an apocalyptic number.

135100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

135100423 is an equidigital number, since it uses as much as digits as its factorization.

135100423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 135100423 is about 11623.2707531056. The cubic root of 135100423 is about 513.1199531530.

Adding to 135100423 its reverse (324001531), we get a palindrome (459101954).

The spelling of 135100423 in words is "one hundred thirty-five million, one hundred thousand, four hundred twenty-three".