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136956097 = 178056241
BaseRepresentation
bin10000010100111…
…00100011000001
3100112201002110001
420022130203001
5240030043342
621331240001
73252051625
oct1012344301
9315632401
10136956097
1170343163
1239a49001
13224b2a15
1414291185
15c0548b7
hex829c8c1

136956097 has 4 divisors (see below), whose sum is σ = 145012356. Its totient is φ = 128899840.

The previous prime is 136956049. The next prime is 136956133. The reversal of 136956097 is 790659631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42458256 + 94497841 = 6516^2 + 9721^2 .

It is a cyclic number.

It is not a de Polignac number, because 136956097 - 211 = 136954049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136956497) 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, 4028104 + ... + 4028137.

It is an arithmetic number, because the mean of its divisors is an integer number (36253089).

Almost surely, 2136956097 is an apocalyptic number.

136956097 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

136956097 is a deficient number, since it is larger than the sum of its proper divisors (8056259).

136956097 is an equidigital number, since it uses as much as digits as its factorization.

136956097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056258.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 136956097 is about 11702.8243172321. The cubic root of 136956097 is about 515.4586005187.

The spelling of 136956097 in words is "one hundred thirty-six million, nine hundred fifty-six thousand, ninety-seven".

Divisors: 1 17 8056241 136956097