115141909 has 2 divisors, whose sum is σ = 115141910. Its totient is φ = 115141908.

The previous prime is 115141903. The next prime is 115141913. The reversal of 115141909 is 909141511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114961284 + 180625 = 10722^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 115141909 - 2¹³ = 115133717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115141903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57570954 + 57570955.

It is an arithmetic number, because the mean of its divisors is an integer number (57570955).

Almost surely, 2^115141909 is an apocalyptic number.

It is an amenable number.

115141909 is a deficient number, since it is larger than the sum of its proper divisors (1).

115141909 is an equidigital number, since it uses as much as digits as its factorization.

115141909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 31.

The square root of 115141909 is about 10730.4197960751. The cubic root of 115141909 is about 486.4943585807.

The spelling of 115141909 in words is "one hundred fifteen million, one hundred forty-one thousand, nine hundred nine".