130356643 has 4 divisors (see below), whose sum is σ = 134561728. Its totient is φ = 126151560.

The previous prime is 130356641. The next prime is 130356683. The reversal of 130356643 is 346653031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130356643 - 2¹ = 130356641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 4205053 = 130356643 / (1 + 3 + 0 + 3 + 5 + 6 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130356641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102496 + ... + 2102557.

It is an arithmetic number, because the mean of its divisors is an integer number (33640432).

Almost surely, 2^130356643 is an apocalyptic number.

130356643 is a deficient number, since it is larger than the sum of its proper divisors (4205085).

130356643 is an equidigital number, since it uses as much as digits as its factorization.

130356643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205084.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 130356643 is about 11417.3833692313. The cubic root of 130356643 is about 507.0425304756.

The spelling of 130356643 in words is "one hundred thirty million, three hundred fifty-six thousand, six hundred forty-three".