361138522 has 4 divisors (see below), whose sum is σ = 541707786. Its totient is φ = 180569260.

The previous prime is 361138501. The next prime is 361138559. The reversal of 361138522 is 225831163.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 342657121 + 18481401 = 18511^2 + 4299^2 .

It is an unprimeable number.

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, 90284629 + ... + 90284632.

Almost surely, 2^361138522 is an apocalyptic number.

361138522 is a deficient number, since it is larger than the sum of its proper divisors (180569264).

361138522 is a wasteful number, since it uses less digits than its factorization.

361138522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180569263.

The product of its digits is 8640, while the sum is 31.

The square root of 361138522 is about 19003.6449661637. The cubic root of 361138522 is about 712.1277978844.

Adding to 361138522 its reverse (225831163), we get a palindrome (586969685).

The spelling of 361138522 in words is "three hundred sixty-one million, one hundred thirty-eight thousand, five hundred twenty-two".