113261149 has 2 divisors, whose sum is σ = 113261150. Its totient is φ = 113261148.

The previous prime is 113261129. The next prime is 113261171. The reversal of 113261149 is 941162311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75377124 + 37884025 = 8682^2 + 6155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113261149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113261129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56630574 + 56630575.

It is an arithmetic number, because the mean of its divisors is an integer number (56630575).

Almost surely, 2^113261149 is an apocalyptic number.

It is an amenable number.

113261149 is a deficient number, since it is larger than the sum of its proper divisors (1).

113261149 is an equidigital number, since it uses as much as digits as its factorization.

113261149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 113261149 is about 10642.4221397199. The cubic root of 113261149 is about 483.8309591703.

The spelling of 113261149 in words is "one hundred thirteen million, two hundred sixty-one thousand, one hundred forty-nine".