134421149 has 4 divisors (see below), whose sum is σ = 134917440. Its totient is φ = 133924860.

The previous prime is 134421109. The next prime is 134421151. The reversal of 134421149 is 941124431.

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: 941124431 = 13 ⋅72394187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134421149 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 (134421109) 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, 247739 + ... + 248280.

It is an arithmetic number, because the mean of its divisors is an integer number (33729360).

Almost surely, 2^134421149 is an apocalyptic number.

It is an amenable number.

134421149 is a deficient number, since it is larger than the sum of its proper divisors (496291).

134421149 is an equidigital number, since it uses as much as digits as its factorization.

134421149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496290.

The product of its digits is 3456, while the sum is 29.

The square root of 134421149 is about 11594.0134983534. The cubic root of 134421149 is about 512.2585326104.

The spelling of 134421149 in words is "one hundred thirty-four million, four hundred twenty-one thousand, one hundred forty-nine".