130621528643 has 8 divisors (see below), whose sum is σ = 138831264000. Its totient is φ = 122545285128.

The previous prime is 130621528619. The next prime is 130621528651. The reversal of 130621528643 is 346825126031.

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

It is a cyclic number.

It is not a de Polignac number, because 130621528643 - 2²² = 130617334339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130621528643.

It is not an unprimeable number, because it can be changed into a prime (130621528693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33370943 + ... + 33374856.

It is an arithmetic number, because the mean of its divisors is an integer number (17353908000).

Almost surely, 2^130621528643 is an apocalyptic number.

130621528643 is a deficient number, since it is larger than the sum of its proper divisors (8209735357).

130621528643 is a wasteful number, since it uses less digits than its factorization.

130621528643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66745921.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 130621528643 in words is "one hundred thirty billion, six hundred twenty-one million, five hundred twenty-eight thousand, six hundred forty-three".