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131420455135 = 579332710013
BaseRepresentation
bin111101001100101000…
…1010000000011011111
3110120012220202211202021
41322121101100003133
54123122114031020
6140212420241011
712331502302654
oct1723121200337
9416186684667
10131420455135
115080a46a0a2
1221578540167
13c515265928
146509dc3c2b
1536428e91aa
hex1e994500df

131420455135 has 8 divisors (see below), whose sum is σ = 159700806720. Its totient is φ = 103805523744.

The previous prime is 131420455129. The next prime is 131420455139. The reversal of 131420455135 is 531554024131.

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

It is a cyclic number.

It is not a de Polignac number, because 131420455135 - 213 = 131420446943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131420455135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420455139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166354612 + ... + 166355401.

It is an arithmetic number, because the mean of its divisors is an integer number (19962600840).

Almost surely, 2131420455135 is an apocalyptic number.

131420455135 is a deficient number, since it is larger than the sum of its proper divisors (28280351585).

131420455135 is an equidigital number, since it uses as much as digits as its factorization.

131420455135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332710097.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 131420455135 its reverse (531554024131), we get a palindrome (662974479266).

The spelling of 131420455135 in words is "one hundred thirty-one billion, four hundred twenty million, four hundred fifty-five thousand, one hundred thirty-five".

Divisors: 1 5 79 395 332710013 1663550065 26284091027 131420455135