130525442 has 8 divisors (see below), whose sum is σ = 197988300. Its totient is φ = 64529344.

The previous prime is 130525349. The next prime is 130525471. The reversal of 130525442 is 244525031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128618281 + 1907161 = 11341^2 + 1381^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366467 + ... + 366822.

Almost surely, 2^130525442 is an apocalyptic number.

130525442 is a deficient number, since it is larger than the sum of its proper divisors (67462858).

130525442 is an equidigital number, since it uses as much as digits as its factorization.

130525442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733380.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 130525442 is about 11424.7731706148. The cubic root of 130525442 is about 507.2612927724.

The spelling of 130525442 in words is "one hundred thirty million, five hundred twenty-five thousand, four hundred forty-two".