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138077 is a prime number
BaseRepresentation
bin100001101101011101
321000101222
4201231131
513404302
62543125
71113362
oct415535
9230358
10138077
1194815
1267aa5
134ab04
1438469
152ada2
hex21b5d

138077 has 2 divisors, whose sum is σ = 138078. Its totient is φ = 138076.

The previous prime is 138071. The next prime is 138079. The reversal of 138077 is 770831.

138077 is nontrivially palindromic in base 15.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75076 + 63001 = 274^2 + 251^2 .

It is a cyclic number.

It is not a de Polignac number, because 138077 - 212 = 133981 is a prime.

Together with 138079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69038 + 69039.

It is an arithmetic number, because the mean of its divisors is an integer number (69039).

2138077 is an apocalyptic number.

It is an amenable number.

138077 is a deficient number, since it is larger than the sum of its proper divisors (1).

138077 is an equidigital number, since it uses as much as digits as its factorization.

138077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 138077 is about 371.5871364835. The cubic root of 138077 is about 51.6861020649.

The spelling of 138077 in words is "one hundred thirty-eight thousand, seventy-seven".