134445587 has 2 divisors, whose sum is σ = 134445588. Its totient is φ = 134445586.

The previous prime is 134445583. The next prime is 134445599. The reversal of 134445587 is 785544431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134445587 - 2² = 134445583 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134445581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222793 + 67222794.

It is an arithmetic number, because the mean of its divisors is an integer number (67222794).

Almost surely, 2^134445587 is an apocalyptic number.

134445587 is a deficient number, since it is larger than the sum of its proper divisors (1).

134445587 is an equidigital number, since it uses as much as digits as its factorization.

134445587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 268800, while the sum is 41.

The square root of 134445587 is about 11595.0673564236. The cubic root of 134445587 is about 512.2895738951.

The spelling of 134445587 in words is "one hundred thirty-four million, four hundred forty-five thousand, five hundred eighty-seven".