134503091 has 4 divisors (see below), whose sum is σ = 135246384. Its totient is φ = 133759800.

The previous prime is 134503087. The next prime is 134503093. The reversal of 134503091 is 190305431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190305431 = 3061 ⋅62171.

It is a cyclic number.

It is not a de Polignac number, because 134503091 - 2² = 134503087 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 134503091.

It is not an unprimeable number, because it can be changed into a prime (134503093) 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, 371375 + ... + 371736.

It is an arithmetic number, because the mean of its divisors is an integer number (33811596).

Almost surely, 2^134503091 is an apocalyptic number.

134503091 is a deficient number, since it is larger than the sum of its proper divisors (743293).

134503091 is an equidigital number, since it uses as much as digits as its factorization.

134503091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743292.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 134503091 is about 11597.5467664502. The cubic root of 134503091 is about 512.3626009622.

The spelling of 134503091 in words is "one hundred thirty-four million, five hundred three thousand, ninety-one".