201147137 has 8 divisors (see below), whose sum is σ = 205657704. Its totient is φ = 196663168.

The previous prime is 201147101. The next prime is 201147139. The reversal of 201147137 is 731741102.

It is a happy number.

201147137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54228496 + 146918641 = 7364^2 + 12121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201147137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201147139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9053 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (25707213).

Almost surely, 2^201147137 is an apocalyptic number.

It is an amenable number.

201147137 is a deficient number, since it is larger than the sum of its proper divisors (4510567).

201147137 is a wasteful number, since it uses less digits than its factorization.

201147137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13299.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 201147137 is about 14182.6350513577. The cubic root of 201147137 is about 585.9194997497.

Adding to 201147137 its reverse (731741102), we get a palindrome (932888239).

The spelling of 201147137 in words is "two hundred one million, one hundred forty-seven thousand, one hundred thirty-seven".