130201989 has 4 divisors (see below), whose sum is σ = 173602656. Its totient is φ = 86801324.

The previous prime is 130201961. The next prime is 130201993. The reversal of 130201989 is 989102031.

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.

It is a cyclic number.

It is not a de Polignac number, because 130201989 - 2⁸ = 130201733 is a prime.

It is a super-2 number, since 2×130201989² = 33905115879112242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130201189) 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, 21700329 + ... + 21700334.

It is an arithmetic number, because the mean of its divisors is an integer number (43400664).

Almost surely, 2^130201989 is an apocalyptic number.

It is an amenable number.

130201989 is a deficient number, since it is larger than the sum of its proper divisors (43400667).

130201989 is an equidigital number, since it uses as much as digits as its factorization.

130201989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43400666.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 130201989 is about 11410.6086165463. The cubic root of 130201989 is about 506.8419341605.

The spelling of 130201989 in words is "one hundred thirty million, two hundred one thousand, nine hundred eighty-nine".