134986843 has 4 divisors (see below), whose sum is σ = 137001640. Its totient is φ = 132972048.

The previous prime is 134986837. The next prime is 134986853. The reversal of 134986843 is 348689431.

134986843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348689431 = 17 ⋅20511143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134986843 is a prime.

It is a super-3 number, since 3×134986843³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134986793 and 134986802.

It is not an unprimeable number, because it can be changed into a prime (134986853) 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, 1007298 + ... + 1007431.

It is an arithmetic number, because the mean of its divisors is an integer number (34250410).

Almost surely, 2^134986843 is an apocalyptic number.

134986843 is a deficient number, since it is larger than the sum of its proper divisors (2014797).

134986843 is an equidigital number, since it uses as much as digits as its factorization.

134986843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014796.

The product of its digits is 497664, while the sum is 46.

The square root of 134986843 is about 11618.3838376945. The cubic root of 134986843 is about 512.9761181627.

The spelling of 134986843 in words is "one hundred thirty-four million, nine hundred eighty-six thousand, eight hundred forty-three".