134203957 has 2 divisors, whose sum is σ = 134203958. Its totient is φ = 134203956.

The previous prime is 134203939. The next prime is 134203969. The reversal of 134203957 is 759302431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 62869041 = 8446^2 + 7929^2 .

It is an emirp because it is prime and its reverse (759302431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134203957 - 2⁷ = 134203829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134203057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67101978 + 67101979.

It is an arithmetic number, because the mean of its divisors is an integer number (67101979).

Almost surely, 2^134203957 is an apocalyptic number.

It is an amenable number.

134203957 is a deficient number, since it is larger than the sum of its proper divisors (1).

134203957 is an equidigital number, since it uses as much as digits as its factorization.

134203957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 134203957 is about 11584.6431537618. The cubic root of 134203957 is about 511.9824886691.

The spelling of 134203957 in words is "one hundred thirty-four million, two hundred three thousand, nine hundred fifty-seven".