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136543147 = 1310503319
BaseRepresentation
bin10000010001101…
…11101110101011
3100111221002222121
420020313232223
5234423340042
621314332111
73245411656
oct1010675653
9314832877
10136543147
1170090984
123988a037
1322399a80
14141c489d
15bec2367
hex8237bab

136543147 has 4 divisors (see below), whose sum is σ = 147046480. Its totient is φ = 126039816.

The previous prime is 136543097. The next prime is 136543171. The reversal of 136543147 is 741345631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741345631 = 1357026587.

It is a cyclic number.

It is not a de Polignac number, because 136543147 - 211 = 136541099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136553147) 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, 5251647 + ... + 5251672.

It is an arithmetic number, because the mean of its divisors is an integer number (36761620).

Almost surely, 2136543147 is an apocalyptic number.

136543147 is a deficient number, since it is larger than the sum of its proper divisors (10503333).

136543147 is a wasteful number, since it uses less digits than its factorization.

136543147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10503332.

The product of its digits is 30240, while the sum is 34.

The square root of 136543147 is about 11685.1678207889. The cubic root of 136543147 is about 514.9400087219.

Adding to 136543147 its reverse (741345631), we get a palindrome (877888778).

The spelling of 136543147 in words is "one hundred thirty-six million, five hundred forty-three thousand, one hundred forty-seven".

Divisors: 1 13 10503319 136543147