134642403 has 24 divisors (see below), whose sum is σ = 222892800. Its totient is φ = 76721904.

The previous prime is 134642383. The next prime is 134642407. The reversal of 134642403 is 304246431.

134642403 is a `hidden beast` number, since 13 + 4 + 642 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 134642403 - 2⁸ = 134642147 is a prime.

It is a super-2 number, since 2×134642403² = 36257153371228818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134642407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21058 + ... + 26696.

It is an arithmetic number, because the mean of its divisors is an integer number (9287200).

Almost surely, 2^134642403 is an apocalyptic number.

134642403 is a deficient number, since it is larger than the sum of its proper divisors (88250397).

134642403 is a wasteful number, since it uses less digits than its factorization.

134642403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031 (or 6028 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 134642403 is about 11603.5513098361. The cubic root of 134642403 is about 512.5394336503.

Adding to 134642403 its reverse (304246431), we get a palindrome (438888834).

The spelling of 134642403 in words is "one hundred thirty-four million, six hundred forty-two thousand, four hundred three".