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130007 = 294483
BaseRepresentation
bin11111101111010111
320121100002
4133233113
513130012
62441515
71051013
oct375727
9217302
10130007
1189749
126329b
1347237
1435543
15287c2
hex1fbd7

130007 has 4 divisors (see below), whose sum is σ = 134520. Its totient is φ = 125496.

The previous prime is 130003. The next prime is 130021. The reversal of 130007 is 700031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130007 - 22 = 130003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130003) 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, 2213 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (33630).

2130007 is an apocalyptic number.

130007 is a deficient number, since it is larger than the sum of its proper divisors (4513).

130007 is an equidigital number, since it uses as much as digits as its factorization.

130007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 130007 is about 360.5648346692. The cubic root of 130007 is about 50.6588794203.

Adding to 130007 its reverse (700031), we get a palindrome (830038).

The spelling of 130007 in words is "one hundred thirty thousand, seven".

Divisors: 1 29 4483 130007