134215589 has 2 divisors, whose sum is σ = 134215590. Its totient is φ = 134215588.

The previous prime is 134215583. The next prime is 134215607. The reversal of 134215589 is 985512431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 3364 = 11585^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 134215589 - 2⁴ = 134215573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134215583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107794 + 67107795.

It is an arithmetic number, because the mean of its divisors is an integer number (67107795).

Almost surely, 2^134215589 is an apocalyptic number.

It is an amenable number.

134215589 is a deficient number, since it is larger than the sum of its proper divisors (1).

134215589 is an equidigital number, since it uses as much as digits as its factorization.

134215589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 134215589 is about 11585.1451868330. The cubic root of 134215589 is about 511.9972801064.

The spelling of 134215589 in words is "one hundred thirty-four million, two hundred fifteen thousand, five hundred eighty-nine".