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130134405 = 3517510331
BaseRepresentation
bin1111100000110…
…11000110000101
3100001212111211210
413300123012011
5231303300110
620525122033
73140060412
oct760330605
9301774753
10130134405
11675039a5
12376b9319
1320c64a0b
14133d7109
15b658520
hex7c1b185

130134405 has 16 divisors (see below), whose sum is σ = 220463424. Its totient is φ = 65322240.

The previous prime is 130134349. The next prime is 130134419. The reversal of 130134405 is 504431031.

It is not a de Polignac number, because 130134405 - 211 = 130132357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254911 + ... + 255420.

It is an arithmetic number, because the mean of its divisors is an integer number (13778964).

Almost surely, 2130134405 is an apocalyptic number.

130134405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130134405 is a deficient number, since it is larger than the sum of its proper divisors (90329019).

130134405 is a wasteful number, since it uses less digits than its factorization.

130134405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510356.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130134405 is about 11407.6467774910. The cubic root of 130134405 is about 506.7542234323.

Adding to 130134405 its reverse (504431031), we get a palindrome (634565436).

The spelling of 130134405 in words is "one hundred thirty million, one hundred thirty-four thousand, four hundred five".

Divisors: 1 3 5 15 17 51 85 255 510331 1530993 2551655 7654965 8675627 26026881 43378135 130134405