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1349189 is a prime number
BaseRepresentation
bin101001001011001000101
32112112201222
411021121011
5321133224
644530125
714316332
oct5113105
92475658
101349189
11841736
12550945
1338314a
14271989
151b9b5e
hex149645

1349189 has 2 divisors, whose sum is σ = 1349190. Its totient is φ = 1349188.

The previous prime is 1349177. The next prime is 1349207. The reversal of 1349189 is 9819431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1221025 + 128164 = 1105^2 + 358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1349189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674594 + 674595.

It is an arithmetic number, because the mean of its divisors is an integer number (674595).

21349189 is an apocalyptic number.

It is an amenable number.

1349189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349189 is an equidigital number, since it uses as much as digits as its factorization.

1349189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 1349189 is about 1161.5459525994. The cubic root of 1349189 is about 110.4988090479.

The spelling of 1349189 in words is "one million, three hundred forty-nine thousand, one hundred eighty-nine".