134145403 has 4 divisors (see below), whose sum is σ = 153309040. Its totient is φ = 114981768.

The previous prime is 134145373. The next prime is 134145433. The reversal of 134145403 is 304541431.

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

It is an interprime number because it is at equal distance from previous prime (134145373) and next prime (134145433).

It is a cyclic number.

It is not a de Polignac number, because 134145403 - 2⁹ = 134144891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134145433) 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, 9581808 + ... + 9581821.

It is an arithmetic number, because the mean of its divisors is an integer number (38327260).

Almost surely, 2^134145403 is an apocalyptic number.

134145403 is a deficient number, since it is larger than the sum of its proper divisors (19163637).

134145403 is an equidigital number, since it uses as much as digits as its factorization.

134145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163636.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 134145403 is about 11582.1156530230. The cubic root of 134145403 is about 511.9080174828.

Adding to 134145403 its reverse (304541431), we get a palindrome (438686834).

The spelling of 134145403 in words is "one hundred thirty-four million, one hundred forty-five thousand, four hundred three".