130921716 has 12 divisors (see below), whose sum is σ = 305484032. Its totient is φ = 43640568.

The previous prime is 130921673. The next prime is 130921741. The reversal of 130921716 is 617129031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455060 + ... + 5455083.

Almost surely, 2^130921716 is an apocalyptic number.

It is an amenable number.

130921716 is an abundant number, since it is smaller than the sum of its proper divisors (174562316).

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

130921716 is a wasteful number, since it uses less digits than its factorization.

130921716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910150 (or 10910148 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 130921716 is about 11442.1027787728. The cubic root of 130921716 is about 507.7741209610.

The spelling of 130921716 in words is "one hundred thirty million, nine hundred twenty-one thousand, seven hundred sixteen".