135269903 has 4 divisors (see below), whose sum is σ = 135758520. Its totient is φ = 134781288.

The previous prime is 135269899. The next prime is 135269971. The reversal of 135269903 is 309962531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309962531 = 1723 ⋅179897.

It is a cyclic number.

It is not a de Polignac number, because 135269903 - 2² = 135269899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135269983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243893 + ... + 244446.

It is an arithmetic number, because the mean of its divisors is an integer number (33939630).

Almost surely, 2^135269903 is an apocalyptic number.

135269903 is a deficient number, since it is larger than the sum of its proper divisors (488617).

135269903 is an equidigital number, since it uses as much as digits as its factorization.

135269903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488616.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 135269903 is about 11630.5590149399. The cubic root of 135269903 is about 513.3344287471.

The spelling of 135269903 in words is "one hundred thirty-five million, two hundred sixty-nine thousand, nine hundred three".