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137428741 is a prime number
BaseRepresentation
bin10000011000011…
…11111100000101
3100120121002210101
420030033330011
5240140204431
621345324101
73256060612
oct1014177405
9316532711
10137428741
117063627a
123a036631
1322619ba8
1414375509
15c0e9961
hex830ff05

137428741 has 2 divisors, whose sum is σ = 137428742. Its totient is φ = 137428740.

The previous prime is 137428721. The next prime is 137428747. The reversal of 137428741 is 147824731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136656100 + 772641 = 11690^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 137428741 - 211 = 137426693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137428741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137428747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68714370 + 68714371.

It is an arithmetic number, because the mean of its divisors is an integer number (68714371).

Almost surely, 2137428741 is an apocalyptic number.

It is an amenable number.

137428741 is a deficient number, since it is larger than the sum of its proper divisors (1).

137428741 is an equidigital number, since it uses as much as digits as its factorization.

137428741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 137428741 is about 11723.0005118144. Note that the first 3 decimals coincide. The cubic root of 137428741 is about 516.0508795952.

The spelling of 137428741 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, seven hundred forty-one".