130388884 has 6 divisors (see below), whose sum is σ = 228180554. Its totient is φ = 65194440.

The previous prime is 130388837. The next prime is 130388941. The reversal of 130388884 is 488883031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121220100 + 9168784 = 11010^2 + 3028^2 .

It is a super-2 number, since 2×130388884² = 34002522141530912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130388884.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16298607 + ... + 16298614.

Almost surely, 2^130388884 is an apocalyptic number.

It is an amenable number.

130388884 is a deficient number, since it is larger than the sum of its proper divisors (97791670).

130388884 is a wasteful number, since it uses less digits than its factorization.

130388884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32597225 (or 32597223 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 130388884 is about 11418.7952079018. The cubic root of 130388884 is about 507.0843291654.

The spelling of 130388884 in words is "one hundred thirty million, three hundred eighty-eight thousand, eight hundred eighty-four".