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134134345 = 5197136177
BaseRepresentation
bin1111111111010…
…11101001001001
3100100101201201201
413333223221021
5233314244340
621150544201
73216060142
oct777535111
9310351651
10134134345
1169796134
1238b08061
1321a35547
1413b58ac9
15bb9879a
hex7feba49

134134345 has 8 divisors (see below), whose sum is σ = 161779464. Its totient is φ = 106761984.

The previous prime is 134134331. The next prime is 134134349. The reversal of 134134345 is 543431431.

It can be written as a sum of positive squares in 4 ways, for example, as 97990201 + 36144144 = 9899^2 + 6012^2 .

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 134134345 - 29 = 134133833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134134349) 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, 67104 + ... + 69073.

It is an arithmetic number, because the mean of its divisors is an integer number (20222433).

Almost surely, 2134134345 is an apocalyptic number.

It is an amenable number.

134134345 is a deficient number, since it is larger than the sum of its proper divisors (27645119).

134134345 is a wasteful number, since it uses less digits than its factorization.

134134345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136379.

The product of its digits is 8640, while the sum is 28.

The square root of 134134345 is about 11581.6382692605. The cubic root of 134134345 is about 511.8939510686.

Adding to 134134345 its reverse (543431431), we get a palindrome (677565776).

The spelling of 134134345 in words is "one hundred thirty-four million, one hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 5 197 985 136177 680885 26826869 134134345