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4069139 is a prime number
BaseRepresentation
bin1111100001011100010011
321122201210212
433201130103
52020203024
6223114335
746405244
oct17413423
97581725
104069139
11232a228
1214429ab
13ac6199
1477cccb
15555a0e
hex3e1713

4069139 has 2 divisors, whose sum is σ = 4069140. Its totient is φ = 4069138.

The previous prime is 4069099. The next prime is 4069157. The reversal of 4069139 is 9319604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4069139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4069159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034569 + 2034570.

It is an arithmetic number, because the mean of its divisors is an integer number (2034570).

Almost surely, 24069139 is an apocalyptic number.

4069139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4069139 is an equidigital number, since it uses as much as digits as its factorization.

4069139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 4069139 is about 2017.2106979689. The cubic root of 4069139 is about 159.6494800551.

The spelling of 4069139 in words is "four million, sixty-nine thousand, one hundred thirty-nine".