113990641 has 2 divisors, whose sum is σ = 113990642. Its totient is φ = 113990640.

The previous prime is 113990621. The next prime is 113990659. The reversal of 113990641 is 146099311.

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., 65270241 + 48720400 = 8079^2 + 6980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113990641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113990597 and 113990606.

It is not a weakly prime, because it can be changed into another prime (113990621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56995320 + 56995321.

It is an arithmetic number, because the mean of its divisors is an integer number (56995321).

Almost surely, 2^113990641 is an apocalyptic number.

113990641 is the 6753-rd centered pentagonal number.

It is an amenable number.

113990641 is a deficient number, since it is larger than the sum of its proper divisors (1).

113990641 is an equidigital number, since it uses as much as digits as its factorization.

113990641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 113990641 is about 10676.6399677052. The cubic root of 113990641 is about 484.8674892179.

The spelling of 113990641 in words is "one hundred thirteen million, nine hundred ninety thousand, six hundred forty-one".