130827997 has 4 divisors (see below), whose sum is σ = 131826816. Its totient is φ = 129829180.

The previous prime is 130827989. The next prime is 130828001. The reversal of 130827997 is 799728031.

It is a happy number.

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: 799728031 = 19 ⋅42090949.

It is a cyclic number.

It is not a de Polignac number, because 130827997 - 2³ = 130827989 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 (130827947) 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, 499213 + ... + 499474.

It is an arithmetic number, because the mean of its divisors is an integer number (32956704).

Almost surely, 2^130827997 is an apocalyptic number.

It is an amenable number.

130827997 is a deficient number, since it is larger than the sum of its proper divisors (998819).

130827997 is an equidigital number, since it uses as much as digits as its factorization.

130827997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998818.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 130827997 is about 11438.0066882303. The cubic root of 130827997 is about 507.6529303646.

The spelling of 130827997 in words is "one hundred thirty million, eight hundred twenty-seven thousand, nine hundred ninety-seven".