134249387 has 2 divisors, whose sum is σ = 134249388. Its totient is φ = 134249386.

The previous prime is 134249363. The next prime is 134249399. The reversal of 134249387 is 783942431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134249387 - 2¹⁰ = 134248363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134249317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67124693 + 67124694.

It is an arithmetic number, because the mean of its divisors is an integer number (67124694).

Almost surely, 2^134249387 is an apocalyptic number.

134249387 is a deficient number, since it is larger than the sum of its proper divisors (1).

134249387 is an equidigital number, since it uses as much as digits as its factorization.

134249387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 134249387 is about 11586.6037733237. The cubic root of 134249387 is about 512.0402533355.

The spelling of 134249387 in words is "one hundred thirty-four million, two hundred forty-nine thousand, three hundred eighty-seven".