134057389 has 2 divisors, whose sum is σ = 134057390. Its totient is φ = 134057388.

The previous prime is 134057387. The next prime is 134057447. The reversal of 134057389 is 983750431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 1416100 = 11517^2 + 1190^2 .

It is a cyclic number.

It is not a de Polignac number, because 134057389 - 2¹ = 134057387 is a prime.

Together with 134057387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134057387) 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, 67028694 + 67028695.

It is an arithmetic number, because the mean of its divisors is an integer number (67028695).

Almost surely, 2^134057389 is an apocalyptic number.

It is an amenable number.

134057389 is a deficient number, since it is larger than the sum of its proper divisors (1).

134057389 is an equidigital number, since it uses as much as digits as its factorization.

134057389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 134057389 is about 11578.3154646952. The cubic root of 134057389 is about 511.7960371775.

The spelling of 134057389 in words is "one hundred thirty-four million, fifty-seven thousand, three hundred eighty-nine".