361540133 has 2 divisors, whose sum is σ = 361540134. Its totient is φ = 361540132.

The previous prime is 361540117. The next prime is 361540159. The reversal of 361540133 is 331045163.

It is an a-pointer prime, because the next prime (361540159) can be obtained adding 361540133 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283518244 + 78021889 = 16838^2 + 8833^2 .

It is an emirp because it is prime and its reverse (331045163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361540133 - 2⁴ = 361540117 is a prime.

It is a super-2 number, since 2×361540133² = 261422535539315378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361540433) 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 as a sum of consecutive naturals, namely, 180770066 + 180770067.

It is an arithmetic number, because the mean of its divisors is an integer number (180770067).

Almost surely, 2^361540133 is an apocalyptic number.

It is an amenable number.

361540133 is a deficient number, since it is larger than the sum of its proper divisors (1).

361540133 is an equidigital number, since it uses as much as digits as its factorization.

361540133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 361540133 is about 19014.2087134858. The cubic root of 361540133 is about 712.3916785363.

Adding to 361540133 its reverse (331045163), we get a palindrome (692585296).

The spelling of 361540133 in words is "three hundred sixty-one million, five hundred forty thousand, one hundred thirty-three".