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136739 is a prime number
BaseRepresentation
bin100001011000100011
320221120102
4201120203
513333424
62533015
71106441
oct413043
9227512
10136739
1193809
126716b
134a315
1437b91
152a7ae
hex21623

136739 has 2 divisors, whose sum is σ = 136740. Its totient is φ = 136738.

The previous prime is 136733. The next prime is 136751. The reversal of 136739 is 937631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136739 - 28 = 136483 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (136733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68369 + 68370.

It is an arithmetic number, because the mean of its divisors is an integer number (68370).

2136739 is an apocalyptic number.

136739 is a deficient number, since it is larger than the sum of its proper divisors (1).

136739 is an equidigital number, since it uses as much as digits as its factorization.

136739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 29.

The square root of 136739 is about 369.7823684277. The cubic root of 136739 is about 51.5186095438.

The spelling of 136739 in words is "one hundred thirty-six thousand, seven hundred thirty-nine".