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130136766 = 2321689461
BaseRepresentation
bin1111100000110…
…11101010111110
3100001212122002020
413300123222332
5231303334031
620525141010
73140100324
oct760335276
9301778066
10130136766
1167505751
12376ba766
1320c65b06
14133d7d14
15b659096
hex7c1babe

130136766 has 8 divisors (see below), whose sum is σ = 260273544. Its totient is φ = 43378920.

The previous prime is 130136761. The next prime is 130136767. The reversal of 130136766 is 667631031.

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

130136766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130136761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10844725 + ... + 10844736.

It is an arithmetic number, because the mean of its divisors is an integer number (32534193).

Almost surely, 2130136766 is an apocalyptic number.

130136766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130136766 is a wasteful number, since it uses less digits than its factorization.

130136766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689466.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 130136766 is about 11407.7502602397. The cubic root of 130136766 is about 506.7572880574.

Adding to 130136766 its reverse (667631031), we get a palindrome (797767797).

The spelling of 130136766 in words is "one hundred thirty million, one hundred thirty-six thousand, seven hundred sixty-six".

Divisors: 1 2 3 6 21689461 43378922 65068383 130136766