134985849 has 4 divisors (see below), whose sum is σ = 179981136. Its totient is φ = 89990564.

The previous prime is 134985847. The next prime is 134985853. The reversal of 134985849 is 948589431.

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: 948589431 = 3 ⋅316196477.

It is a cyclic number.

It is not a de Polignac number, because 134985849 - 2¹ = 134985847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134985847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22497639 + ... + 22497644.

It is an arithmetic number, because the mean of its divisors is an integer number (44995284).

Almost surely, 2^134985849 is an apocalyptic number.

It is an amenable number.

134985849 is a deficient number, since it is larger than the sum of its proper divisors (44995287).

134985849 is an equidigital number, since it uses as much as digits as its factorization.

134985849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44995286.

The product of its digits is 1244160, while the sum is 51.

The square root of 134985849 is about 11618.3410605818. The cubic root of 134985849 is about 512.9748590288.

The spelling of 134985849 in words is "one hundred thirty-four million, nine hundred eighty-five thousand, eight hundred forty-nine".