134587 has 2 divisors, whose sum is σ = 134588. Its totient is φ = 134586.

The previous prime is 134581. The next prime is 134591. The reversal of 134587 is 785431.

It is a strong prime.

It is an emirp because it is prime and its reverse (785431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134587 is a prime.

It is a super-2 number, since 2×134587² = 36227321138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67293 + 67294.

It is an arithmetic number, because the mean of its divisors is an integer number (67294).

2¹³⁴⁵⁸⁷ is an apocalyptic number.

134587 is a deficient number, since it is larger than the sum of its proper divisors (1).

134587 is an equidigital number, since it uses as much as digits as its factorization.

134587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 134587 is about 366.8610091029. The cubic root of 134587 is about 51.2469123660.

The spelling of 134587 in words is "one hundred thirty-four thousand, five hundred eighty-seven".