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130037 = 1091193
BaseRepresentation
bin11111101111110101
320121101012
4133233311
513130122
62442005
71051055
oct375765
9217335
10130037
1189776
1263305
134725b
1435565
15287e2
hex1fbf5

130037 has 4 divisors (see below), whose sum is σ = 131340. Its totient is φ = 128736.

The previous prime is 130027. The next prime is 130043. The reversal of 130037 is 730031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 730031 = 1742943.

It can be written as a sum of positive squares in 2 ways, for example, as 78961 + 51076 = 281^2 + 226^2 .

It is a cyclic number.

It is not a de Polignac number, because 130037 - 24 = 130021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 130037.

It is not an unprimeable number, because it can be changed into a prime (130027) 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, 488 + ... + 705.

It is an arithmetic number, because the mean of its divisors is an integer number (32835).

2130037 is an apocalyptic number.

It is an amenable number.

130037 is a deficient number, since it is larger than the sum of its proper divisors (1303).

130037 is a wasteful number, since it uses less digits than its factorization.

130037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 63, while the sum is 14.

The square root of 130037 is about 360.6064336642. The cubic root of 130037 is about 50.6627757477.

Adding to 130037 its reverse (730031), we get a palindrome (860068).

The spelling of 130037 in words is "one hundred thirty thousand, thirty-seven".

Divisors: 1 109 1193 130037