201974113 has 16 divisors (see below), whose sum is σ = 225020160. Its totient is φ = 179744400.

The previous prime is 201974081. The next prime is 201974173. The reversal of 201974113 is 311479102.

It is not a de Polignac number, because 201974113 - 2⁵ = 201974081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201974173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131158 + ... + 132688.

It is an arithmetic number, because the mean of its divisors is an integer number (14063760).

Almost surely, 2^201974113 is an apocalyptic number.

It is an amenable number.

201974113 is a deficient number, since it is larger than the sum of its proper divisors (23046047).

201974113 is a wasteful number, since it uses less digits than its factorization.

201974113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 201974113 is about 14211.7596728906. The cubic root of 201974113 is about 586.7213652440.

It can be divided in two parts, 20197 and 4113, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 201974113 in words is "two hundred one million, nine hundred seventy-four thousand, one hundred thirteen".