361109636 has 6 divisors (see below), whose sum is σ = 631941870. Its totient is φ = 180554816.

The previous prime is 361109633. The next prime is 361109659. The reversal of 361109636 is 636901163.

It can be written as a sum of positive squares in only one way, i.e., 181710400 + 179399236 = 13480^2 + 13394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 361109596 and 361109605.

It is not an unprimeable number, because it can be changed into a prime (361109633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45138701 + ... + 45138708.

It is an arithmetic number, because the mean of its divisors is an integer number (105323645).

Almost surely, 2^361109636 is an apocalyptic number.

It is an amenable number.

361109636 is a deficient number, since it is larger than the sum of its proper divisors (270832234).

361109636 is a wasteful number, since it uses less digits than its factorization.

361109636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90277413 (or 90277411 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 361109636 is about 19002.8849388718. The cubic root of 361109636 is about 712.1088106438.

The spelling of 361109636 in words is "three hundred sixty-one million, one hundred nine thousand, six hundred thirty-six".