135134403 has 24 divisors (see below), whose sum is σ = 196497600. Its totient is φ = 82375776.

The previous prime is 135134387. The next prime is 135134413. The reversal of 135134403 is 304431531.

It is a happy number.

135134403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135134403 - 2⁴ = 135134387 is a prime.

It is a super-2 number, since 2×135134403² = 36522613748332818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135134413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46528 + ... + 49346.

It is an arithmetic number, because the mean of its divisors is an integer number (8187400).

Almost surely, 2^135134403 is an apocalyptic number.

135134403 is a deficient number, since it is larger than the sum of its proper divisors (61363197).

135134403 is a wasteful number, since it uses less digits than its factorization.

135134403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 135134403 is about 11624.7323840164. The cubic root of 135134403 is about 513.1629689434.

Adding to 135134403 its reverse (304431531), we get a palindrome (439565934).

The spelling of 135134403 in words is "one hundred thirty-five million, one hundred thirty-four thousand, four hundred three".