113391137 has 2 divisors, whose sum is σ = 113391138. Its totient is φ = 113391136.

The previous prime is 113391101. The next prime is 113391151. The reversal of 113391137 is 731193311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77018176 + 36372961 = 8776^2 + 6031^2 .

It is a cyclic number.

It is not a de Polignac number, because 113391137 - 2¹⁰ = 113390113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113391637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56695568 + 56695569.

It is an arithmetic number, because the mean of its divisors is an integer number (56695569).

Almost surely, 2^113391137 is an apocalyptic number.

It is an amenable number.

113391137 is a deficient number, since it is larger than the sum of its proper divisors (1).

113391137 is an equidigital number, since it uses as much as digits as its factorization.

113391137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701, while the sum is 29.

The square root of 113391137 is about 10648.5274568834. The cubic root of 113391137 is about 484.0159834100.

The spelling of 113391137 in words is "one hundred thirteen million, three hundred ninety-one thousand, one hundred thirty-seven".