134997587 has 2 divisors, whose sum is σ = 134997588. Its totient is φ = 134997586.

The previous prime is 134997553. The next prime is 134997607. The reversal of 134997587 is 785799431.

It is a strong prime.

It is an emirp because it is prime and its reverse (785799431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134997587 - 2¹⁶ = 134932051 is a prime.

It is not a weakly prime, because it can be changed into another prime (134997547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67498793 + 67498794.

It is an arithmetic number, because the mean of its divisors is an integer number (67498794).

Almost surely, 2^134997587 is an apocalyptic number.

134997587 is a deficient number, since it is larger than the sum of its proper divisors (1).

134997587 is an equidigital number, since it uses as much as digits as its factorization.

134997587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 53.

The square root of 134997587 is about 11618.8461991714. The cubic root of 134997587 is about 512.9897275611.

The spelling of 134997587 in words is "one hundred thirty-four million, nine hundred ninety-seven thousand, five hundred eighty-seven".