201982137 has 16 divisors (see below), whose sum is σ = 314941440. Its totient is φ = 112733712.

The previous prime is 201982127. The next prime is 201982177. The reversal of 201982137 is 731289102.

It is not a de Polignac number, because 201982137 - 2⁷ = 201982009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201982098 and 201982107.

It is not an unprimeable number, because it can be changed into a prime (201982127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110937 + ... + 112742.

It is an arithmetic number, because the mean of its divisors is an integer number (19683840).

Almost surely, 2^201982137 is an apocalyptic number.

It is an amenable number.

201982137 is a deficient number, since it is larger than the sum of its proper divisors (112959303).

201982137 is a wasteful number, since it uses less digits than its factorization.

201982137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223732.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 201982137 is about 14212.0419715113. The cubic root of 201982137 is about 586.7291348699.

The spelling of 201982137 in words is "two hundred one million, nine hundred eighty-two thousand, one hundred thirty-seven".