130616240 has 20 divisors (see below), whose sum is σ = 303682944. Its totient is φ = 52246464.

The previous prime is 130616209. The next prime is 130616249. The reversal of 130616240 is 42616031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (130616249) by changing a digit.

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, 816272 + ... + 816431.

Almost surely, 2^130616240 is an apocalyptic number.

130616240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130616240 is an abundant number, since it is smaller than the sum of its proper divisors (173066704).

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

130616240 is a wasteful number, since it uses less digits than its factorization.

130616240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632716 (or 1632710 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 130616240 is about 11428.7462129492. The cubic root of 130616240 is about 507.3788883266.

The spelling of 130616240 in words is "one hundred thirty million, six hundred sixteen thousand, two hundred forty".