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8074139 is a prime number
BaseRepresentation
bin11110110011001110011011
3120012012122012
4132303032123
54031333024
6445020135
7125425523
oct36631633
916165565
108074139
114615247
12285464b
1318990c8
141102683
15a9750e
hex7b339b

8074139 has 2 divisors, whose sum is σ = 8074140. Its totient is φ = 8074138.

The previous prime is 8074123. The next prime is 8074147. The reversal of 8074139 is 9314708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8074139 - 24 = 8074123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8074159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037069 + 4037070.

It is an arithmetic number, because the mean of its divisors is an integer number (4037070).

Almost surely, 28074139 is an apocalyptic number.

8074139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8074139 is an equidigital number, since it uses as much as digits as its factorization.

8074139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 8074139 is about 2841.5029473854. The cubic root of 8074139 is about 200.6159262272.

Adding to 8074139 its sum of digits (32), we get a triangular number (8074171 = T4018).

The spelling of 8074139 in words is "eight million, seventy-four thousand, one hundred thirty-nine".