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136244041 = 197170739
BaseRepresentation
bin10000001111011…
…10101101001001
3100111100220200121
420013232231021
5234334302131
621304103241
73243024643
oct1007565511
9314326617
10136244041
116a9a718a
1239764b21
13222c389b
1414147893
15be63911
hex81eeb49

136244041 has 4 divisors (see below), whose sum is σ = 143414800. Its totient is φ = 129073284.

The previous prime is 136244033. The next prime is 136244077. The reversal of 136244041 is 140442631.

136244041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136244041 - 23 = 136244033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136243997 and 136244015.

It is not an unprimeable number, because it can be changed into a prime (136244011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3585351 + ... + 3585388.

It is an arithmetic number, because the mean of its divisors is an integer number (35853700).

Almost surely, 2136244041 is an apocalyptic number.

It is an amenable number.

136244041 is a deficient number, since it is larger than the sum of its proper divisors (7170759).

136244041 is an equidigital number, since it uses as much as digits as its factorization.

136244041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170758.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 136244041 is about 11672.3622716227. The cubic root of 136244041 is about 514.5637314517.

Adding to 136244041 its reverse (140442631), we get a palindrome (276686672).

The spelling of 136244041 in words is "one hundred thirty-six million, two hundred forty-four thousand, forty-one".

Divisors: 1 19 7170739 136244041