201274636 has 12 divisors (see below), whose sum is σ = 352751112. Its totient is φ = 100488608.

The previous prime is 201274631. The next prime is 201274643. The reversal of 201274636 is 636472102.

It is a super-2 number, since 2×201274636² = 81022958193864992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201274598 and 201274607.

It is not an unprimeable number, because it can be changed into a prime (201274631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34105 + ... + 39568.

It is an arithmetic number, because the mean of its divisors is an integer number (29395926).

Almost surely, 2^201274636 is an apocalyptic number.

It is an amenable number.

201274636 is a deficient number, since it is larger than the sum of its proper divisors (151476476).

201274636 is a wasteful number, since it uses less digits than its factorization.

201274636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74360 (or 74358 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 201274636 is about 14187.1292374462. The cubic root of 201274636 is about 586.0432704597.

The spelling of 201274636 in words is "two hundred one million, two hundred seventy-four thousand, six hundred thirty-six".