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134206142 = 2729330557
BaseRepresentation
bin1111111111111…
…01001010111110
3100100112101012212
413333331022332
5233324044032
621152300422
73216506360
oct777751276
9310471185
10134206142
1169835074
1238b41712
1321a5c125
1413b76d30
15bbaebb2
hex7ffd2be

134206142 has 16 divisors (see below), whose sum is σ = 238001760. Its totient is φ = 55533408.

The previous prime is 134206129. The next prime is 134206147. The reversal of 134206142 is 241602431.

It is a super-2 number, since 2×1342061422 = 36022577101048328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134206147) 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, 164873 + ... + 165684.

It is an arithmetic number, because the mean of its divisors is an integer number (14875110).

Almost surely, 2134206142 is an apocalyptic number.

134206142 is a deficient number, since it is larger than the sum of its proper divisors (103795618).

134206142 is a wasteful number, since it uses less digits than its factorization.

134206142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330595.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 134206142 is about 11584.7374592608. The cubic root of 134206142 is about 511.9852672152.

Adding to 134206142 its reverse (241602431), we get a palindrome (375808573).

The spelling of 134206142 in words is "one hundred thirty-four million, two hundred six thousand, one hundred forty-two".

Divisors: 1 2 7 14 29 58 203 406 330557 661114 2313899 4627798 9586153 19172306 67103071 134206142