113440429 has 2 divisors, whose sum is σ = 113440430. Its totient is φ = 113440428.

The previous prime is 113440427. The next prime is 113440471. The reversal of 113440429 is 924044311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90687529 + 22752900 = 9523^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 113440429 - 2¹ = 113440427 is a prime.

Together with 113440427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 113440397 and 113440406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113440423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56720214 + 56720215.

It is an arithmetic number, because the mean of its divisors is an integer number (56720215).

Almost surely, 2^113440429 is an apocalyptic number.

It is an amenable number.

113440429 is a deficient number, since it is larger than the sum of its proper divisors (1).

113440429 is an equidigital number, since it uses as much as digits as its factorization.

113440429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 113440429 is about 10650.8417038279. The cubic root of 113440429 is about 484.0861084074.

The spelling of 113440429 in words is "one hundred thirteen million, four hundred forty thousand, four hundred twenty-nine".