115641349 has 4 divisors (see below), whose sum is σ = 116940780. Its totient is φ = 114341920.

The previous prime is 115641343. The next prime is 115641359. The reversal of 115641349 is 943146511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 106296100 = 3057^2 + 10310^2 .

It is a cyclic number.

It is not a de Polignac number, because 115641349 - 2³ = 115641341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115641341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649582 + ... + 649759.

It is an arithmetic number, because the mean of its divisors is an integer number (29235195).

Almost surely, 2^115641349 is an apocalyptic number.

It is an amenable number.

115641349 is a deficient number, since it is larger than the sum of its proper divisors (1299431).

115641349 is an equidigital number, since it uses as much as digits as its factorization.

115641349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299430.

The product of its digits is 12960, while the sum is 34.

The square root of 115641349 is about 10753.6667699906. Note that the first 3 decimals coincide. The cubic root of 115641349 is about 487.1967506095.

The spelling of 115641349 in words is "one hundred fifteen million, six hundred forty-one thousand, three hundred forty-nine".