113897549 has 8 divisors (see below), whose sum is σ = 116815608. Its totient is φ = 110986240.

The previous prime is 113897543. The next prime is 113897551. The reversal of 113897549 is 945798311.

It can be written as a sum of positive squares in 4 ways, for example, as 1155625 + 112741924 = 1075^2 + 10618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113897549 - 2⁸ = 113897293 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 (113897543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66269 + ... + 67965.

It is an arithmetic number, because the mean of its divisors is an integer number (14601951).

Almost surely, 2^113897549 is an apocalyptic number.

It is an amenable number.

113897549 is a deficient number, since it is larger than the sum of its proper divisors (2918059).

113897549 is a wasteful number, since it uses less digits than its factorization.

113897549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 272160, while the sum is 47.

The square root of 113897549 is about 10672.2794659810. The cubic root of 113897549 is about 484.7354620713.

The spelling of 113897549 in words is "one hundred thirteen million, eight hundred ninety-seven thousand, five hundred forty-nine".