113780197 has 8 divisors (see below), whose sum is σ = 114954840. Its totient is φ = 112611840.

The previous prime is 113780179. The next prime is 113780221. The reversal of 113780197 is 791087311.

It can be written as a sum of positive squares in 4 ways, for example, as 86750596 + 27029601 = 9314^2 + 5199^2 .

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 113780197 - 2¹¹ = 113778149 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 (113780297) 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 in 7 ways as a sum of consecutive naturals, for example, 40329 + ... + 43057.

It is an arithmetic number, because the mean of its divisors is an integer number (14369355).

Almost surely, 2^113780197 is an apocalyptic number.

It is an amenable number.

113780197 is a deficient number, since it is larger than the sum of its proper divisors (1174643).

113780197 is a wasteful number, since it uses less digits than its factorization.

113780197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 113780197 is about 10666.7800671055. The cubic root of 113780197 is about 484.5689257870.

The spelling of 113780197 in words is "one hundred thirteen million, seven hundred eighty thousand, one hundred ninety-seven".