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134149079 = 397337907
BaseRepresentation
bin1111111111011…
…11001111010111
3100100102110221102
413333233033113
5233320232304
621151140315
73216151121
oct777571727
9310373842
10134149079
11697a6209
1238b1469b
1321a3c16c
1413b60211
15bb9cd1e
hex7fef3d7

134149079 has 4 divisors (see below), whose sum is σ = 134487384. Its totient is φ = 133810776.

The previous prime is 134149073. The next prime is 134149111. The reversal of 134149079 is 970941431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134149079 - 28 = 134148823 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 (134149073) 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, 168557 + ... + 169350.

It is an arithmetic number, because the mean of its divisors is an integer number (33621846).

Almost surely, 2134149079 is an apocalyptic number.

134149079 is a deficient number, since it is larger than the sum of its proper divisors (338305).

134149079 is an equidigital number, since it uses as much as digits as its factorization.

134149079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338304.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 134149079 is about 11582.2743448772. The cubic root of 134149079 is about 511.9126933957.

The spelling of 134149079 in words is "one hundred thirty-four million, one hundred forty-nine thousand, seventy-nine".

Divisors: 1 397 337907 134149079