130506725 has 12 divisors (see below), whose sum is σ = 170346240. Its totient is φ = 98910000.

The previous prime is 130506713. The next prime is 130506737. The reversal of 130506725 is 527605031.

It is an interprime number because it is at equal distance from previous prime (130506713) and next prime (130506737).

It is not a de Polignac number, because 130506725 - 2⁴ = 130506709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136901 + ... + 137850.

It is an arithmetic number, because the mean of its divisors is an integer number (14195520).

Almost surely, 2^130506725 is an apocalyptic number.

It is an amenable number.

130506725 is a deficient number, since it is larger than the sum of its proper divisors (39839515).

130506725 is a wasteful number, since it uses less digits than its factorization.

130506725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274780 (or 274775 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 130506725 is about 11423.9540002575. The cubic root of 130506725 is about 507.2370449748.

The spelling of 130506725 in words is "one hundred thirty million, five hundred six thousand, seven hundred twenty-five".