134503081 has 2 divisors, whose sum is σ = 134503082. Its totient is φ = 134503080.

The previous prime is 134503043. The next prime is 134503087. The reversal of 134503081 is 180305431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69555600 + 64947481 = 8340^2 + 8059^2 .

It is a cyclic number.

It is not a de Polignac number, because 134503081 - 2¹⁵ = 134470313 is a prime.

It is a super-2 number, since 2×134503081² = 36182157596985122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134503087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67251540 + 67251541.

It is an arithmetic number, because the mean of its divisors is an integer number (67251541).

Almost surely, 2^134503081 is an apocalyptic number.

It is an amenable number.

134503081 is a deficient number, since it is larger than the sum of its proper divisors (1).

134503081 is an equidigital number, since it uses as much as digits as its factorization.

134503081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 134503081 is about 11597.5463353246. The cubic root of 134503081 is about 512.3625882645.

The spelling of 134503081 in words is "one hundred thirty-four million, five hundred three thousand, eighty-one".