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7149131137 is a prime number
BaseRepresentation
bin1101010100001111…
…10001010110000001
3200110020100111020201
412222013301112001
5104120134144022
63141222405201
7342106416631
oct65207612601
920406314221
107149131137
113039553045
121476290801
1389c18c515
144bb69a6c1
152bc976127
hex1aa1f1581

7149131137 has 2 divisors, whose sum is σ = 7149131138. Its totient is φ = 7149131136.

The previous prime is 7149131107. The next prime is 7149131153. The reversal of 7149131137 is 7311319417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5563817281 + 1585313856 = 74591^2 + 39816^2 .

It is a cyclic number.

It is not a de Polignac number, because 7149131137 - 219 = 7148606849 is a prime.

It is a super-2 number, since 2×71491311372 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7149131096 and 7149131105.

It is not a weakly prime, because it can be changed into another prime (7149131107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574565568 + 3574565569.

It is an arithmetic number, because the mean of its divisors is an integer number (3574565569).

Almost surely, 27149131137 is an apocalyptic number.

It is an amenable number.

7149131137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149131137 is an equidigital number, since it uses as much as digits as its factorization.

7149131137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 37.

The square root of 7149131137 is about 84552.5347757239. The cubic root of 7149131137 is about 1926.4204852051.

The spelling of 7149131137 in words is "seven billion, one hundred forty-nine million, one hundred thirty-one thousand, one hundred thirty-seven".