201839013 has 32 divisors (see below), whose sum is σ = 305280000. Its totient is φ = 131770800.

The previous prime is 201839003. The next prime is 201839021. The reversal of 201839013 is 310938102.

It is not a de Polignac number, because 201839013 - 2¹³ = 201830821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201839003) 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 31 ways as a sum of consecutive naturals, for example, 404238 + ... + 404736.

It is an arithmetic number, because the mean of its divisors is an integer number (9540000).

Almost surely, 2^201839013 is an apocalyptic number.

It is an amenable number.

201839013 is a deficient number, since it is larger than the sum of its proper divisors (103440987).

201839013 is a wasteful number, since it uses less digits than its factorization.

201839013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

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

The square root of 201839013 is about 14207.0057718015. The cubic root of 201839013 is about 586.5905172268.

The spelling of 201839013 in words is "two hundred one million, eight hundred thirty-nine thousand, thirteen".