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134120457 = 32181281293
BaseRepresentation
bin1111111111010…
…00010000001001
3100100101000200100
413333220100021
5233313323312
621150400013
73216001512
oct777502011
9310330610
10134120457
1169786759
1238b00009
1321a2c123
1413b53a09
15bb945dc
hex7fe8409

134120457 has 24 divisors (see below), whose sum is σ = 196160328. Its totient is φ = 88300800.

The previous prime is 134120443. The next prime is 134120461. The reversal of 134120457 is 754021431.

It can be written as a sum of positive squares in 4 ways, for example, as 22099401 + 112021056 = 4701^2 + 10584^2 .

It is not a de Polignac number, because 134120457 - 28 = 134120201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134120457.

It is not an unprimeable number, because it can be changed into a prime (134120407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457603 + ... + 457895.

It is an arithmetic number, because the mean of its divisors is an integer number (8173347).

Almost surely, 2134120457 is an apocalyptic number.

It is an amenable number.

134120457 is a deficient number, since it is larger than the sum of its proper divisors (62039871).

134120457 is a wasteful number, since it uses less digits than its factorization.

134120457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 134120457 is about 11581.0386839869. The cubic root of 134120457 is about 511.8762836358.

Adding to 134120457 its reverse (754021431), we get a palindrome (888141888).

The spelling of 134120457 in words is "one hundred thirty-four million, one hundred twenty thousand, four hundred fifty-seven".

Divisors: 1 3 9 181 281 293 543 843 879 1629 2529 2637 50861 53033 82333 152583 159099 246999 457749 477297 740997 14902273 44706819 134120457