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131068126 = 279419949
BaseRepresentation
bin1111100111111…
…11000011011110
3100010121221200001
413303333003132
5232023140001
621001124514
73151026550
oct763770336
9303557601
10131068126
1167a91472
1237a8973a
1321200a07
141359b4d0
15b790001
hex7cff0de

131068126 has 16 divisors (see below), whose sum is σ = 224949600. Its totient is φ = 56106720.

The previous prime is 131068123. The next prime is 131068127. The reversal of 131068126 is 621860131.

It is a junction number, because it is equal to n+sod(n) for n = 131068094 and 131068103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131068121) 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, 8200 + ... + 18148.

It is an arithmetic number, because the mean of its divisors is an integer number (14059350).

Almost surely, 2131068126 is an apocalyptic number.

131068126 is a deficient number, since it is larger than the sum of its proper divisors (93881474).

131068126 is an equidigital number, since it uses as much as digits as its factorization.

131068126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10899.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 131068126 is about 11448.4988535615. The cubic root of 131068126 is about 507.9633320300.

The spelling of 131068126 in words is "one hundred thirty-one million, sixty-eight thousand, one hundred twenty-six".

Divisors: 1 2 7 14 941 1882 6587 9949 13174 19898 69643 139286 9362009 18724018 65534063 131068126