134436487 has 2 divisors, whose sum is σ = 134436488. Its totient is φ = 134436486.

The previous prime is 134436481. The next prime is 134436509. The reversal of 134436487 is 784634431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134436487 - 2³ = 134436479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134436481) 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, 67218243 + 67218244.

It is an arithmetic number, because the mean of its divisors is an integer number (67218244).

Almost surely, 2^134436487 is an apocalyptic number.

134436487 is a deficient number, since it is larger than the sum of its proper divisors (1).

134436487 is an equidigital number, since it uses as much as digits as its factorization.

134436487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 134436487 is about 11594.6749415411. The cubic root of 134436487 is about 512.2780154636.

The spelling of 134436487 in words is "one hundred thirty-four million, four hundred thirty-six thousand, four hundred eighty-seven".