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137635441 = 731939769
BaseRepresentation
bin10000011010000…
…10011001110001
3100120222121022221
420031002121301
5240213313231
621354001041
73260611336
oct1015023161
9316877287
10137635441
11707675a9
123a116181
132268ccb8
14143ca98d
15c13ad11
hex8342671

137635441 has 8 divisors (see below), whose sum is σ = 140258120. Its totient is φ = 135032832.

The previous prime is 137635423. The next prime is 137635447. The reversal of 137635441 is 144536731.

It can be written as a sum of positive squares in 4 ways, for example, as 6051600 + 131583841 = 2460^2 + 11471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137635441 - 25 = 137635409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137635397 and 137635406.

It is not an unprimeable number, because it can be changed into a prime (137635447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9205 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (17532265).

Almost surely, 2137635441 is an apocalyptic number.

It is an amenable number.

137635441 is a deficient number, since it is larger than the sum of its proper divisors (2622679).

137635441 is an equidigital number, since it uses as much as digits as its factorization.

137635441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035.

The product of its digits is 30240, while the sum is 34.

The square root of 137635441 is about 11731.8132017178. The cubic root of 137635441 is about 516.3094724794.

The spelling of 137635441 in words is "one hundred thirty-seven million, six hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 73 193 9769 14089 713137 1885417 137635441