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135700889 = 2919723753
BaseRepresentation
bin10000001011010…
…10000110011001
3100110100022121212
420011222012121
5234214412024
621244312505
73235303262
oct1005520631
9313308555
10135700889
116a6660a5
1239542735
13221635ac
1414045969
15bda7a0e
hex816a199

135700889 has 8 divisors (see below), whose sum is σ = 141098760. Its totient is φ = 130350976.

The previous prime is 135700871. The next prime is 135700913. The reversal of 135700889 is 988007531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74736025 + 60964864 = 8645^2 + 7808^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135700889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135700189) 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, 6164 + ... + 17589.

It is an arithmetic number, because the mean of its divisors is an integer number (17637345).

Almost surely, 2135700889 is an apocalyptic number.

It is an amenable number.

135700889 is a deficient number, since it is larger than the sum of its proper divisors (5397871).

135700889 is a wasteful number, since it uses less digits than its factorization.

135700889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23979.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 135700889 is about 11649.0724523457. The cubic root of 135700889 is about 513.8790322808.

The spelling of 135700889 in words is "one hundred thirty-five million, seven hundred thousand, eight hundred eighty-nine".

Divisors: 1 29 197 5713 23753 688837 4679341 135700889