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134094721 = 163822667
BaseRepresentation
bin1111111111000…
…01111110000001
3100100022201101011
413333201332001
5233312012341
621150040521
73215533465
oct777417601
9310281334
10134094721
1169769392
1238aa9141
1321a204b7
1413b484a5
15bb8bb81
hex7fe1f81

134094721 has 4 divisors (see below), whose sum is σ = 134917552. Its totient is φ = 133271892.

The previous prime is 134094707. The next prime is 134094731. The reversal of 134094721 is 127490431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 127490431 = 175372727.

It is a cyclic number.

It is not a de Polignac number, because 134094721 - 25 = 134094689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134094731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411171 + ... + 411496.

It is an arithmetic number, because the mean of its divisors is an integer number (33729388).

Almost surely, 2134094721 is an apocalyptic number.

It is an amenable number.

134094721 is a deficient number, since it is larger than the sum of its proper divisors (822831).

134094721 is an equidigital number, since it uses as much as digits as its factorization.

134094721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822830.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 134094721 is about 11579.9275040909. The cubic root of 134094721 is about 511.8435407045.

The spelling of 134094721 in words is "one hundred thirty-four million, ninety-four thousand, seven hundred twenty-one".

Divisors: 1 163 822667 134094721