134291903 has 4 divisors (see below), whose sum is σ = 134371128. Its totient is φ = 134212680.

The previous prime is 134291897. The next prime is 134291929. The reversal of 134291903 is 309192431.

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 134291903 - 2²² = 130097599 is a prime.

It is a super-2 number, since 2×134291903² = 36068630422722818, which contains 22 as substring.

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 134291903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134291203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37013 + ... + 40478.

It is an arithmetic number, because the mean of its divisors is an integer number (33592782).

Almost surely, 2^134291903 is an apocalyptic number.

134291903 is a deficient number, since it is larger than the sum of its proper divisors (79225).

134291903 is an equidigital number, since it uses as much as digits as its factorization.

134291903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79224.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 134291903 is about 11588.4383330973. The cubic root of 134291903 is about 512.0943010203.

The spelling of 134291903 in words is "one hundred thirty-four million, two hundred ninety-one thousand, nine hundred three".