134349591 has 8 divisors (see below), whose sum is σ = 180071424. Its totient is φ = 89097080.

The previous prime is 134349563. The next prime is 134349613. The reversal of 134349591 is 195943431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134349591 - 2¹⁰ = 134348567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134349991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116661 + ... + 117806.

It is an arithmetic number, because the mean of its divisors is an integer number (22508928).

Almost surely, 2^134349591 is an apocalyptic number.

134349591 is a deficient number, since it is larger than the sum of its proper divisors (45721833).

134349591 is a wasteful number, since it uses less digits than its factorization.

134349591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234661.

The product of its digits is 58320, while the sum is 39.

The square root of 134349591 is about 11590.9270983817. The cubic root of 134349591 is about 512.1676175949.

It can be divided in two parts, 134349 and 591, that added together give a triangular number (134940 = T₅₁₉).

The spelling of 134349591 in words is "one hundred thirty-four million, three hundred forty-nine thousand, five hundred ninety-one".