113630389 has 2 divisors, whose sum is σ = 113630390. Its totient is φ = 113630388.

The previous prime is 113630371. The next prime is 113630411. The reversal of 113630389 is 983036311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113252164 + 378225 = 10642^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 113630389 - 2¹⁹ = 113106101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113630339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56815194 + 56815195.

It is an arithmetic number, because the mean of its divisors is an integer number (56815195).

Almost surely, 2^113630389 is an apocalyptic number.

It is an amenable number.

113630389 is a deficient number, since it is larger than the sum of its proper divisors (1).

113630389 is an equidigital number, since it uses as much as digits as its factorization.

113630389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 113630389 is about 10659.7555788114. The cubic root of 113630389 is about 484.3561641458.

The spelling of 113630389 in words is "one hundred thirteen million, six hundred thirty thousand, three hundred eighty-nine".