130000993 has 2 divisors, whose sum is σ = 130000994. Its totient is φ = 130000992.

The previous prime is 130000987. The next prime is 130000999. The reversal of 130000993 is 399000031.

It is a balanced prime because it is at equal distance from previous prime (130000987) and next prime (130000999).

It can be written as a sum of positive squares in only one way, i.e., 106254864 + 23746129 = 10308^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 130000993 - 2⁵ = 130000961 is a prime.

It is not a weakly prime, because it can be changed into another prime (130000999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65000496 + 65000497.

It is an arithmetic number, because the mean of its divisors is an integer number (65000497).

Almost surely, 2^130000993 is an apocalyptic number.

It is an amenable number.

130000993 is a deficient number, since it is larger than the sum of its proper divisors (1).

130000993 is an equidigital number, since it uses as much as digits as its factorization.

130000993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 130000993 is about 11401.7977968389. The cubic root of 130000993 is about 506.5809917367.

The spelling of 130000993 in words is "one hundred thirty million, nine hundred ninety-three", and thus it is an aban number.