Search a number
-
+
134171207 = 241556727
BaseRepresentation
bin1111111111101…
…00101001000111
3100100110121021222
413333310221013
5233321434312
621151430555
73216302462
oct777645107
9310417258
10134171207
11698108a5
1238b2545b
1321a49261
1413b682d9
15bba4672
hex7ff4a47

134171207 has 4 divisors (see below), whose sum is σ = 134728176. Its totient is φ = 133614240.

The previous prime is 134171183. The next prime is 134171227. The reversal of 134171207 is 702171431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702171431 = 1354013187.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-134171207 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 (134171227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278123 + ... + 278604.

It is an arithmetic number, because the mean of its divisors is an integer number (33682044).

Almost surely, 2134171207 is an apocalyptic number.

134171207 is a deficient number, since it is larger than the sum of its proper divisors (556969).

134171207 is an equidigital number, since it uses as much as digits as its factorization.

134171207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556968.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 134171207 is about 11583.2295582881. The cubic root of 134171207 is about 511.9408386537.

The spelling of 134171207 in words is "one hundred thirty-four million, one hundred seventy-one thousand, two hundred seven".

Divisors: 1 241 556727 134171207