135277903 has 2 divisors, whose sum is σ = 135277904. Its totient is φ = 135277902.

The previous prime is 135277873. The next prime is 135277907. The reversal of 135277903 is 309772531.

It is a strong prime.

It is an emirp because it is prime and its reverse (309772531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135277903 - 2⁹ = 135277391 is a prime.

It is a super-2 number, since 2×135277903² = 36600222080154818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135277907) 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, 67638951 + 67638952.

It is an arithmetic number, because the mean of its divisors is an integer number (67638952).

Almost surely, 2^135277903 is an apocalyptic number.

135277903 is a deficient number, since it is larger than the sum of its proper divisors (1).

135277903 is an equidigital number, since it uses as much as digits as its factorization.

135277903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 135277903 is about 11630.9029314151. The cubic root of 135277903 is about 513.3445482548.

The spelling of 135277903 in words is "one hundred thirty-five million, two hundred seventy-seven thousand, nine hundred three".