130797 has 6 divisors (see below), whose sum is σ = 188942. Its totient is φ = 87192.
The previous prime is 130787. The next prime is 130807. The reversal of 130797 is 797031.
It is an interprime number because it is at equal distance from previous prime (130787) and next prime (130807).
It can be written as a sum of positive squares in only one way, i.e., 114921 + 15876 = 339^2 + 126^2 .
It is not a de Polignac number, because 130797 - 211 = 128749 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 130797.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130787) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7258 + ... + 7275.
2130797 is an apocalyptic number.
It is an amenable number.
130797 is a deficient number, since it is larger than the sum of its proper divisors (58145).
130797 is a wasteful number, since it uses less digits than its factorization.
130797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14539 (or 14536 counting only the distinct ones).
The product of its (nonzero) digits is 1323, while the sum is 27.
The square root of 130797 is about 361.6586788672. The cubic root of 130797 is about 50.7612834562.
The spelling of 130797 in words is "one hundred thirty thousand, seven hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •