201494069 has 16 divisors (see below), whose sum is σ = 242810880. Its totient is φ = 163341360.

The previous prime is 201494039. The next prime is 201494071. The reversal of 201494069 is 960494102.

It is a de Polignac number, because none of the positive numbers 2^k-201494069 is a prime.

It is a super-2 number, since 2×201494069² = 81199719684353522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201494039) 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, 120332 + ... + 121994.

It is an arithmetic number, because the mean of its divisors is an integer number (15175680).

Almost surely, 2^201494069 is an apocalyptic number.

It is an amenable number.

201494069 is a deficient number, since it is larger than the sum of its proper divisors (41316811).

201494069 is a wasteful number, since it uses less digits than its factorization.

201494069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 201494069 is about 14194.8606544763. The cubic root of 201494069 is about 586.2561645280.

The spelling of 201494069 in words is "two hundred one million, four hundred ninety-four thousand, sixty-nine".