113771387 has 2 divisors, whose sum is σ = 113771388. Its totient is φ = 113771386.

The previous prime is 113771381. The next prime is 113771401. The reversal of 113771387 is 783177311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113771387 - 2²⁶ = 46662523 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 113771387.

It is not a weakly prime, because it can be changed into another prime (113771381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56885693 + 56885694.

It is an arithmetic number, because the mean of its divisors is an integer number (56885694).

Almost surely, 2^113771387 is an apocalyptic number.

113771387 is a deficient number, since it is larger than the sum of its proper divisors (1).

113771387 is an equidigital number, since it uses as much as digits as its factorization.

113771387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24696, while the sum is 38.

The square root of 113771387 is about 10666.3670947516. The cubic root of 113771387 is about 484.5564187412.

The spelling of 113771387 in words is "one hundred thirteen million, seven hundred seventy-one thousand, three hundred eighty-seven".