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134307191 = 1723893307
BaseRepresentation
bin10000000000101…
…01110101110111
3100100201111211102
420000111311313
5233340312231
621154400315
73220410104
oct1000256567
9310644742
10134307191
11698a3a87
1238b9009b
1321a96115
1413ba1aab
15bbceacb
hex8015d77

134307191 has 8 divisors (see below), whose sum is σ = 142310160. Its totient is φ = 126315648.

The previous prime is 134307179. The next prime is 134307193. The reversal of 134307191 is 191703431.

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 134307191 - 222 = 130112887 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 (134307193) 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 7 ways as a sum of consecutive naturals, for example, 38960 + ... + 42266.

It is an arithmetic number, because the mean of its divisors is an integer number (17788770).

Almost surely, 2134307191 is an apocalyptic number.

134307191 is a deficient number, since it is larger than the sum of its proper divisors (8002969).

134307191 is a wasteful number, since it uses less digits than its factorization.

134307191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 134307191 is about 11589.0979372857. The cubic root of 134307191 is about 512.1137328213.

The spelling of 134307191 in words is "one hundred thirty-four million, three hundred seven thousand, one hundred ninety-one".

Divisors: 1 17 2389 3307 40613 56219 7900423 134307191