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131637117 = 3160927271
BaseRepresentation
bin1111101100010…
…01111101111101
3100011200212011210
413312021331331
5232144341432
621021235033
73155616453
oct766117575
9304625153
10131637117
116833aa07
1238102a79
132136c9b1
14136a89d3
15b8538cc
hex7d89f7d

131637117 has 8 divisors (see below), whose sum is σ = 175631680. Its totient is φ = 87700320.

The previous prime is 131637109. The next prime is 131637127. The reversal of 131637117 is 711736131.

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

It is not a de Polignac number, because 131637117 - 23 = 131637109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131637127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8809 + ... + 18462.

It is an arithmetic number, because the mean of its divisors is an integer number (21953960).

Almost surely, 2131637117 is an apocalyptic number.

It is an amenable number.

131637117 is a deficient number, since it is larger than the sum of its proper divisors (43994563).

131637117 is a wasteful number, since it uses less digits than its factorization.

131637117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28883.

The product of its digits is 2646, while the sum is 30.

The square root of 131637117 is about 11473.3219688110. The cubic root of 131637117 is about 508.6973252074.

The spelling of 131637117 in words is "one hundred thirty-one million, six hundred thirty-seven thousand, one hundred seventeen".

Divisors: 1 3 1609 4827 27271 81813 43879039 131637117