130001789 has 4 divisors (see below), whose sum is σ = 130862880. Its totient is φ = 129140700.

The previous prime is 130001783. The next prime is 130001827. The reversal of 130001789 is 987100031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 987100031 = 59 ⋅16730509.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130001789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130001783) 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, 430319 + ... + 430620.

It is an arithmetic number, because the mean of its divisors is an integer number (32715720).

Almost surely, 2^130001789 is an apocalyptic number.

It is an amenable number.

130001789 is a deficient number, since it is larger than the sum of its proper divisors (861091).

130001789 is an equidigital number, since it uses as much as digits as its factorization.

130001789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861090.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 130001789 is about 11401.8327035613. The cubic root of 130001789 is about 506.5820256714.

The spelling of 130001789 in words is "one hundred thirty million, one thousand, seven hundred eighty-nine".