130136425 has 12 divisors (see below), whose sum is σ = 161888076. Its totient is φ = 103774400.

The previous prime is 130136399. The next prime is 130136431. The reversal of 130136425 is 524631031.

It can be written as a sum of positive squares in 6 ways, for example, as 61528336 + 68608089 = 7844^2 + 8283^2 .

It is not a de Polignac number, because 130136425 - 2⁵ = 130136393 is a prime.

It is a super-2 number, since 2×130136425² = 33870978223561250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 130136425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 16135.

It is an arithmetic number, because the mean of its divisors is an integer number (13490673).

Almost surely, 2^130136425 is an apocalyptic number.

It is an amenable number.

130136425 is a deficient number, since it is larger than the sum of its proper divisors (31751651).

130136425 is a wasteful number, since it uses less digits than its factorization.

130136425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16748 (or 16743 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 130136425 is about 11407.7353142506. The cubic root of 130136425 is about 506.7568454349.

Adding to 130136425 its reverse (524631031), we get a palindrome (654767456).

The spelling of 130136425 in words is "one hundred thirty million, one hundred thirty-six thousand, four hundred twenty-five".