134503591 has 2 divisors, whose sum is σ = 134503592. Its totient is φ = 134503590.

The previous prime is 134503543. The next prime is 134503631. The reversal of 134503591 is 195305431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134503591 - 2²³ = 126114983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134503511) 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 as a sum of consecutive naturals, namely, 67251795 + 67251796.

It is an arithmetic number, because the mean of its divisors is an integer number (67251796).

Almost surely, 2^134503591 is an apocalyptic number.

134503591 is a deficient number, since it is larger than the sum of its proper divisors (1).

134503591 is an equidigital number, since it uses as much as digits as its factorization.

134503591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 134503591 is about 11597.5683227132. The cubic root of 134503591 is about 512.3632358447.

The spelling of 134503591 in words is "one hundred thirty-four million, five hundred three thousand, five hundred ninety-one".