130706025 has 24 divisors (see below), whose sum is σ = 221131680. Its totient is φ = 68087040.

The previous prime is 130706021. The next prime is 130706087. The reversal of 130706025 is 520607031.

It is not a de Polignac number, because 130706025 - 2² = 130706021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130705986 and 130706004.

It is not an unprimeable number, because it can be changed into a prime (130706021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17040 + ... + 23489.

It is an arithmetic number, because the mean of its divisors is an integer number (9213820).

Almost surely, 2^130706025 is an apocalyptic number.

130706025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130706025 is a deficient number, since it is larger than the sum of its proper divisors (90425655).

130706025 is a wasteful number, since it uses less digits than its factorization.

130706025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40585 (or 40580 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130706025 is about 11432.6735718291. The cubic root of 130706025 is about 507.4951183333.

The spelling of 130706025 in words is "one hundred thirty million, seven hundred six thousand, twenty-five".