134464191 has 16 divisors (see below), whose sum is σ = 183226368. Its totient is φ = 87688800.

The previous prime is 134464189. The next prime is 134464193. The reversal of 134464191 is 191464431.

It is an interprime number because it is at equal distance from previous prime (134464189) and next prime (134464193).

It is not a de Polignac number, because 134464191 - 2¹ = 134464189 is a prime.

It is a super-2 number, since 2×134464191² = 36161237322568962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134464193) 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 15 ways as a sum of consecutive naturals, for example, 33030 + ... + 36876.

It is an arithmetic number, because the mean of its divisors is an integer number (11451648).

Almost surely, 2^134464191 is an apocalyptic number.

134464191 is a deficient number, since it is larger than the sum of its proper divisors (48762177).

134464191 is a wasteful number, since it uses less digits than its factorization.

134464191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102.

The product of its digits is 10368, while the sum is 33.

The square root of 134464191 is about 11595.8695663585. The cubic root of 134464191 is about 512.3132022786.

The spelling of 134464191 in words is "one hundred thirty-four million, four hundred sixty-four thousand, one hundred ninety-one".