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1380314239 is a prime number
BaseRepresentation
bin101001001000101…
…1110110001111111
310120012022020011121
41102101132301333
510311330023424
6344544531411
746130322523
oct12221366177
93505266147
101380314239
11649173577
12326320b67
1318cc783b5
14d1469d83
15812a6ee4
hex5245ec7f

1380314239 has 2 divisors, whose sum is σ = 1380314240. Its totient is φ = 1380314238.

The previous prime is 1380314237. The next prime is 1380314279. The reversal of 1380314239 is 9324130831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380314239 - 21 = 1380314237 is a prime.

It is a super-2 number, since 2×13803142392 = 3810534796772298242, which contains 22 as substring.

Together with 1380314237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380314237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690157119 + 690157120.

It is an arithmetic number, because the mean of its divisors is an integer number (690157120).

Almost surely, 21380314239 is an apocalyptic number.

1380314239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380314239 is an equidigital number, since it uses as much as digits as its factorization.

1380314239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1380314239 is about 37152.5805160288. The cubic root of 1380314239 is about 1113.4207808273.

The spelling of 1380314239 in words is "one billion, three hundred eighty million, three hundred fourteen thousand, two hundred thirty-nine".