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134143249 = 1968310337
BaseRepresentation
bin1111111111011…
…01110100010001
3100100102011221111
413333231310101
5233320040444
621151053321
73216125122
oct777556421
9310364844
10134143249
11697a1899
1238b11241
1321a39606
1413b5c049
15bb9b234
hex7fedd11

134143249 has 8 divisors (see below), whose sum is σ = 141423840. Its totient is φ = 126884736.

The previous prime is 134143223. The next prime is 134143253. The reversal of 134143249 is 942341431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134143249 - 211 = 134141201 is a prime.

It is a super-2 number, since 2×1341432492 = 35988822504552002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134143249.

It is not an unprimeable number, because it can be changed into a prime (134143259) 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, 7809 + ... + 18145.

It is an arithmetic number, because the mean of its divisors is an integer number (17677980).

Almost surely, 2134143249 is an apocalyptic number.

134143249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

134143249 is a deficient number, since it is larger than the sum of its proper divisors (7280591).

134143249 is a wasteful number, since it uses less digits than its factorization.

134143249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11039.

The product of its digits is 10368, while the sum is 31.

The square root of 134143249 is about 11582.0226644572. The cubic root of 134143249 is about 511.9052775311.

The spelling of 134143249 in words is "one hundred thirty-four million, one hundred forty-three thousand, two hundred forty-nine".

Divisors: 1 19 683 10337 12977 196403 7060171 134143249