130000051 has 4 divisors (see below), whose sum is σ = 133023352. Its totient is φ = 126976752.

The previous prime is 130000027. The next prime is 130000061. The reversal of 130000051 is 150000031.

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 130000051 - 2²³ = 121611443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129999992 and 130000037.

It is not an unprimeable number, because it can be changed into a prime (130000001) 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, 1511586 + ... + 1511671.

It is an arithmetic number, because the mean of its divisors is an integer number (33255838).

Almost surely, 2^130000051 is an apocalyptic number.

130000051 is a deficient number, since it is larger than the sum of its proper divisors (3023301).

130000051 is an equidigital number, since it uses as much as digits as its factorization.

130000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3023300.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 130000051 is about 11401.7564874891. The cubic root of 130000051 is about 506.5797681551.

Adding to 130000051 its reverse (150000031), we get a palindrome (280000082).

The spelling of 130000051 in words is "one hundred thirty million, fifty-one", and thus it is an aban number.