134130091 has 4 divisors (see below), whose sum is σ = 134290800. Its totient is φ = 133969384.

The previous prime is 134130053. The next prime is 134130097. The reversal of 134130091 is 190031431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190031431 = 163 ⋅1165837.

It is a cyclic number.

It is not a de Polignac number, because 134130091 - 2¹⁵ = 134097323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134130097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79096 + ... + 80773.

It is an arithmetic number, because the mean of its divisors is an integer number (33572700).

Almost surely, 2^134130091 is an apocalyptic number.

134130091 is a deficient number, since it is larger than the sum of its proper divisors (160709).

134130091 is an equidigital number, since it uses as much as digits as its factorization.

134130091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160708.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 134130091 is about 11581.4546150300. The cubic root of 134130091 is about 511.8885395291. Note that the first 3 decimals are identical.

The spelling of 134130091 in words is "one hundred thirty-four million, one hundred thirty thousand, ninety-one".