113385637 has 2 divisors, whose sum is σ = 113385638. Its totient is φ = 113385636.

The previous prime is 113385617. The next prime is 113385647. The reversal of 113385637 is 736583311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77457601 + 35928036 = 8801^2 + 5994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113385637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113385596 and 113385605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113385617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56692818 + 56692819.

It is an arithmetic number, because the mean of its divisors is an integer number (56692819).

Almost surely, 2^113385637 is an apocalyptic number.

It is an amenable number.

113385637 is a deficient number, since it is larger than the sum of its proper divisors (1).

113385637 is an equidigital number, since it uses as much as digits as its factorization.

113385637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 113385637 is about 10648.2692020816. The cubic root of 113385637 is about 484.0081576045.

The spelling of 113385637 in words is "one hundred thirteen million, three hundred eighty-five thousand, six hundred thirty-seven".