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131140814 = 279367201
BaseRepresentation
bin1111101000100…
…00110011001110
3100010202122101012
413310100303032
5232033001224
621002445222
73151451510
oct764206316
9303678335
10131140814
1168031042
1237b03812
1321227b1c
14135b9bb0
15b7a680e
hex7d10cce

131140814 has 8 divisors (see below), whose sum is σ = 224812848. Its totient is φ = 56203200.

The previous prime is 131140811. The next prime is 131140817. The reversal of 131140814 is 418041131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131140811) and next prime (131140817).

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

It is a self number, because there is not a number n which added to its sum of digits gives 131140814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131140811) 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, 4683587 + ... + 4683614.

It is an arithmetic number, because the mean of its divisors is an integer number (28101606).

Almost surely, 2131140814 is an apocalyptic number.

131140814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

131140814 is a deficient number, since it is larger than the sum of its proper divisors (93672034).

131140814 is an equidigital number, since it uses as much as digits as its factorization.

131140814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367210.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 131140814 is about 11451.6729782159. The cubic root of 131140814 is about 508.0572170864.

Adding to 131140814 its reverse (418041131), we get a palindrome (549181945).

The spelling of 131140814 in words is "one hundred thirty-one million, one hundred forty thousand, eight hundred fourteen".

Divisors: 1 2 7 14 9367201 18734402 65570407 131140814