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13745954137 is a prime number
BaseRepresentation
bin11001100110101001…
…01001110101011001
31022110222102211011111
430303110221311121
5211122431013022
610151555300321
7664431453016
oct146324516531
938428384144
1013745954137
115914261883
1227b75aa6a1
1313b0ab0a96
1494586670d
15556ba0477
hex333529d59

13745954137 has 2 divisors, whose sum is σ = 13745954138. Its totient is φ = 13745954136.

The previous prime is 13745954119. The next prime is 13745954143. The reversal of 13745954137 is 73145954731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10530043456 + 3215910681 = 102616^2 + 56709^2 .

It is an emirp because it is prime and its reverse (73145954731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13745954137 - 27 = 13745954009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13745954177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6872977068 + 6872977069.

It is an arithmetic number, because the mean of its divisors is an integer number (6872977069).

Almost surely, 213745954137 is an apocalyptic number.

It is an amenable number.

13745954137 is a deficient number, since it is larger than the sum of its proper divisors (1).

13745954137 is an equidigital number, since it uses as much as digits as its factorization.

13745954137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 49.

The spelling of 13745954137 in words is "thirteen billion, seven hundred forty-five million, nine hundred fifty-four thousand, one hundred thirty-seven".