130503442 has 8 divisors (see below), whose sum is σ = 195853500. Its totient is φ = 65218944.

The previous prime is 130503433. The next prime is 130503481. The reversal of 130503442 is 244305031.

It can be written as a sum of positive squares in 2 ways, for example, as 105493441 + 25010001 = 10271^2 + 5001^2 .

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

It is a super-2 number, since 2×130503442² = 34062296747694728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11067 + ... + 19582.

Almost surely, 2^130503442 is an apocalyptic number.

130503442 is a deficient number, since it is larger than the sum of its proper divisors (65350058).

130503442 is a wasteful number, since it uses less digits than its factorization.

130503442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32780.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 130503442 is about 11423.8103100498. The cubic root of 130503442 is about 507.2327916227.

Adding to 130503442 its reverse (244305031), we get a palindrome (374808473).

The spelling of 130503442 in words is "one hundred thirty million, five hundred three thousand, four hundred forty-two".