135489403 has 4 divisors (see below), whose sum is σ = 154845040. Its totient is φ = 116133768.

The previous prime is 135489401. The next prime is 135489407. The reversal of 135489403 is 304984531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135489403 - 2¹ = 135489401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135489401) 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, 9677808 + ... + 9677821.

It is an arithmetic number, because the mean of its divisors is an integer number (38711260).

Almost surely, 2^135489403 is an apocalyptic number.

135489403 is a deficient number, since it is larger than the sum of its proper divisors (19355637).

135489403 is an equidigital number, since it uses as much as digits as its factorization.

135489403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19355636.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 135489403 is about 11639.9915377976. The cubic root of 135489403 is about 513.6119381641.

The spelling of 135489403 in words is "one hundred thirty-five million, four hundred eighty-nine thousand, four hundred three".