130156643 has 4 divisors (see below), whose sum is σ = 130228008. Its totient is φ = 130085280.

The previous prime is 130156633. The next prime is 130156717. The reversal of 130156643 is 346651031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346651031 = 1009 ⋅343559.

It is a cyclic number.

It is not a de Polignac number, because 130156643 - 2⁸ = 130156387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130156633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32873 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (32557002).

Almost surely, 2^130156643 is an apocalyptic number.

130156643 is a deficient number, since it is larger than the sum of its proper divisors (71365).

130156643 is an equidigital number, since it uses as much as digits as its factorization.

130156643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71364.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 130156643 is about 11408.6214329340. The cubic root of 130156643 is about 506.7830873303.

The spelling of 130156643 in words is "one hundred thirty million, one hundred fifty-six thousand, six hundred forty-three".