201946113 has 6 divisors (see below), whose sum is σ = 291699954. Its totient is φ = 134630736.

The previous prime is 201946099. The next prime is 201946139. The reversal of 201946113 is 311649102.

It can be written as a sum of positive squares in only one way, i.e., 145515969 + 56430144 = 12063^2 + 7512^2 .

It is not a de Polignac number, because 201946113 - 2⁴ = 201946097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201946163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11219220 + ... + 11219237.

It is an arithmetic number, because the mean of its divisors is an integer number (48616659).

Almost surely, 2^201946113 is an apocalyptic number.

It is an amenable number.

201946113 is a deficient number, since it is larger than the sum of its proper divisors (89753841).

201946113 is a wasteful number, since it uses less digits than its factorization.

201946113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22438463 (or 22438460 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 201946113 is about 14210.7745390601. The cubic root of 201946113 is about 586.6942512784.

The spelling of 201946113 in words is "two hundred one million, nine hundred forty-six thousand, one hundred thirteen".