134219887 has 2 divisors, whose sum is σ = 134219888. Its totient is φ = 134219886.

The previous prime is 134219851. The next prime is 134219923. The reversal of 134219887 is 788912431.

It is a balanced prime because it is at equal distance from previous prime (134219851) and next prime (134219923).

It is a cyclic number.

It is not a de Polignac number, because 134219887 - 2⁷ = 134219759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134219807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67109943 + 67109944.

It is an arithmetic number, because the mean of its divisors is an integer number (67109944).

Almost surely, 2^134219887 is an apocalyptic number.

134219887 is a deficient number, since it is larger than the sum of its proper divisors (1).

134219887 is an equidigital number, since it uses as much as digits as its factorization.

134219887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 134219887 is about 11585.3306815127. The cubic root of 134219887 is about 512.0027452957.

The spelling of 134219887 in words is "one hundred thirty-four million, two hundred nineteen thousand, eight hundred eighty-seven".