130143025 has 6 divisors (see below), whose sum is σ = 161377382. Its totient is φ = 104114400.

The previous prime is 130143019. The next prime is 130143029. The reversal of 130143025 is 520341031.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 130051216 = 303^2 + 11404^2 .

It is not a de Polignac number, because 130143025 - 2⁹ = 130142513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130142993 and 130143011.

It is not an unprimeable number, because it can be changed into a prime (130143029) 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, 2602836 + ... + 2602885.

Almost surely, 2^130143025 is an apocalyptic number.

It is an amenable number.

130143025 is a deficient number, since it is larger than the sum of its proper divisors (31234357).

130143025 is an equidigital number, since it uses as much as digits as its factorization.

130143025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205731 (or 5205726 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130143025 is about 11408.0245879819. The cubic root of 130143025 is about 506.7654121848.

Adding to 130143025 its reverse (520341031), we get a palindrome (650484056).

The spelling of 130143025 in words is "one hundred thirty million, one hundred forty-three thousand, twenty-five".