134939903 has 16 divisors (see below), whose sum is σ = 157416960. Its totient is φ = 113278176.

The previous prime is 134939887. The next prime is 134939911. The reversal of 134939903 is 309939431.

It is a cyclic number.

It is not a de Polignac number, because 134939903 - 2⁴ = 134939887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134939933) 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 15 ways as a sum of consecutive naturals, for example, 163550 + ... + 164372.

It is an arithmetic number, because the mean of its divisors is an integer number (9838560).

Almost surely, 2^134939903 is an apocalyptic number.

134939903 is a deficient number, since it is larger than the sum of its proper divisors (22477057).

134939903 is an equidigital number, since it uses as much as digits as its factorization.

134939903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 134939903 is about 11616.3635876293. The cubic root of 134939903 is about 512.9166509088.

The spelling of 134939903 in words is "one hundred thirty-four million, nine hundred thirty-nine thousand, nine hundred three".