113438387 has 2 divisors, whose sum is σ = 113438388. Its totient is φ = 113438386.

The previous prime is 113438359. The next prime is 113438407. The reversal of 113438387 is 783834311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113438387 - 2¹² = 113434291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113438387.

It is not a weakly prime, because it can be changed into another prime (113438357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56719193 + 56719194.

It is an arithmetic number, because the mean of its divisors is an integer number (56719194).

Almost surely, 2^113438387 is an apocalyptic number.

113438387 is a deficient number, since it is larger than the sum of its proper divisors (1).

113438387 is an equidigital number, since it uses as much as digits as its factorization.

113438387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 113438387 is about 10650.7458424281. The cubic root of 113438387 is about 484.0832037705.

The spelling of 113438387 in words is "one hundred thirteen million, four hundred thirty-eight thousand, three hundred eighty-seven".