130400216 has 8 divisors (see below), whose sum is σ = 244500420. Its totient is φ = 65200104.

The previous prime is 130400203. The next prime is 130400261. The reversal of 130400216 is 612004031.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 130400194 and 130400203.

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, 8150006 + ... + 8150021.

Almost surely, 2^130400216 is an apocalyptic number.

It is an amenable number.

130400216 is a deficient number, since it is larger than the sum of its proper divisors (114100204).

130400216 is a wasteful number, since it uses less digits than its factorization.

130400216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16300033 (or 16300029 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130400216 is about 11419.2913965797. The cubic root of 130400216 is about 507.0990188460.

Adding to 130400216 its reverse (612004031), we get a palindrome (742404247).

The spelling of 130400216 in words is "one hundred thirty million, four hundred thousand, two hundred sixteen".