134872403 has 4 divisors (see below), whose sum is σ = 137083488. Its totient is φ = 132661320.

The previous prime is 134872337. The next prime is 134872421. The reversal of 134872403 is 304278431.

134872403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 134872403 - 2⁸ = 134872147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134872403.

It is not an unprimeable number, because it can be changed into a prime (134872433) 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, 1105451 + ... + 1105572.

It is an arithmetic number, because the mean of its divisors is an integer number (34270872).

Almost surely, 2^134872403 is an apocalyptic number.

134872403 is a deficient number, since it is larger than the sum of its proper divisors (2211085).

134872403 is an equidigital number, since it uses as much as digits as its factorization.

134872403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211084.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 134872403 is about 11613.4578399373. The cubic root of 134872403 is about 512.8311124638.

The spelling of 134872403 in words is "one hundred thirty-four million, eight hundred seventy-two thousand, four hundred three".