134343889 has 4 divisors (see below), whose sum is σ = 141414640. Its totient is φ = 127273140.

The previous prime is 134343887. The next prime is 134343901. The reversal of 134343889 is 988343431.

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: 988343431 = 5413 ⋅182587.

It is a cyclic number.

It is not a de Polignac number, because 134343889 - 2¹ = 134343887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134343887) 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 in 3 ways as a sum of consecutive naturals, for example, 3535347 + ... + 3535384.

It is an arithmetic number, because the mean of its divisors is an integer number (35353660).

Almost surely, 2^134343889 is an apocalyptic number.

134343889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134343889 is a deficient number, since it is larger than the sum of its proper divisors (7070751).

134343889 is an equidigital number, since it uses as much as digits as its factorization.

134343889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070750.

The product of its digits is 248832, while the sum is 43.

The square root of 134343889 is about 11590.6811275265. The cubic root of 134343889 is about 512.1603717694.

The spelling of 134343889 in words is "one hundred thirty-four million, three hundred forty-three thousand, eight hundred eighty-nine".