130521638722 has 8 divisors (see below), whose sum is σ = 195783991056. Its totient is φ = 65260308372.

The previous prime is 130521638717. The next prime is 130521638759. The reversal of 130521638722 is 227836125031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372973 + ... + 632575.

It is an arithmetic number, because the mean of its divisors is an integer number (24472998882).

Almost surely, 2^130521638722 is an apocalyptic number.

130521638722 is a deficient number, since it is larger than the sum of its proper divisors (65262352334).

130521638722 is a wasteful number, since it uses less digits than its factorization.

130521638722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510992.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 130521638722 in words is "one hundred thirty billion, five hundred twenty-one million, six hundred thirty-eight thousand, seven hundred twenty-two".