130640016 has 40 divisors (see below), whose sum is σ = 363448960. Its totient is φ = 40196736.

The previous prime is 130639987. The next prime is 130640047. The reversal of 130640016 is 610046031.

It is a junction number, because it is equal to n+sod(n) for n = 130639974 and 130640001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104056 + ... + 105303.

It is an arithmetic number, because the mean of its divisors is an integer number (9086224).

Almost surely, 2^130640016 is an apocalyptic number.

130640016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130640016 is an abundant number, since it is smaller than the sum of its proper divisors (232808944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130640016 is a wasteful number, since it uses less digits than its factorization.

130640016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209383 (or 209377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 130640016 is about 11429.7863497093. The cubic root of 130640016 is about 507.4096724224.

Adding to 130640016 its reverse (610046031), we get a palindrome (740686047).

It can be divided in two parts, 130 and 640016, that added together give a triangular number (640146 = T₁₁₃₁).

The spelling of 130640016 in words is "one hundred thirty million, six hundred forty thousand, sixteen".