134414989 has 4 divisors (see below), whose sum is σ = 134628640. Its totient is φ = 134201340.

The previous prime is 134414981. The next prime is 134415007. The reversal of 134414989 is 989414431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989414431 = 29 ⋅34117739.

It is a cyclic number.

It is not a de Polignac number, because 134414989 - 2³ = 134414981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134414981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105879 + ... + 107140.

It is an arithmetic number, because the mean of its divisors is an integer number (33657160).

Almost surely, 2^134414989 is an apocalyptic number.

It is an amenable number.

134414989 is a deficient number, since it is larger than the sum of its proper divisors (213651).

134414989 is an equidigital number, since it uses as much as digits as its factorization.

134414989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213650.

The product of its digits is 124416, while the sum is 43.

The square root of 134414989 is about 11593.7478409701. The cubic root of 134414989 is about 512.2507075501.

The spelling of 134414989 in words is "one hundred thirty-four million, four hundred fourteen thousand, nine hundred eighty-nine".