113727391 has 2 divisors, whose sum is σ = 113727392. Its totient is φ = 113727390.

The previous prime is 113727377. The next prime is 113727421. The reversal of 113727391 is 193727311.

It is a weak prime.

It is an emirp because it is prime and its reverse (193727311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113727391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113727091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56863695 + 56863696.

It is an arithmetic number, because the mean of its divisors is an integer number (56863696).

Almost surely, 2^113727391 is an apocalyptic number.

113727391 is a deficient number, since it is larger than the sum of its proper divisors (1).

113727391 is an equidigital number, since it uses as much as digits as its factorization.

113727391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7938, while the sum is 34.

The square root of 113727391 is about 10664.3045249093. The cubic root of 113727391 is about 484.4939505074.

The spelling of 113727391 in words is "one hundred thirteen million, seven hundred twenty-seven thousand, three hundred ninety-one".