134530403 has 16 divisors (see below), whose sum is σ = 157538304. Its totient is φ = 112486560.

The previous prime is 134530387. The next prime is 134530411. The reversal of 134530403 is 304035431.

It is a cyclic number.

It is not a de Polignac number, because 134530403 - 2⁴ = 134530387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134530423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151226 + ... + 152112.

It is an arithmetic number, because the mean of its divisors is an integer number (9846144).

Almost surely, 2^134530403 is an apocalyptic number.

134530403 is a deficient number, since it is larger than the sum of its proper divisors (23007901).

134530403 is an equidigital number, since it uses as much as digits as its factorization.

134530403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 134530403 is about 11598.7241970831. The cubic root of 134530403 is about 512.3972784807.

Adding to 134530403 its reverse (304035431), we get a palindrome (438565834).

The spelling of 134530403 in words is "one hundred thirty-four million, five hundred thirty thousand, four hundred three".