1361056442 has 4 divisors (see below), whose sum is σ = 2041584666. Its totient is φ = 680528220.

The previous prime is 1361056429. The next prime is 1361056471. The reversal of 1361056442 is 2446501631.

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., 1213895281 + 147161161 = 34841^2 + 12131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1361056399 and 1361056408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340264109 + ... + 340264112.

Almost surely, 2^1361056442 is an apocalyptic number.

1361056442 is a deficient number, since it is larger than the sum of its proper divisors (680528224).

1361056442 is an equidigital number, since it uses as much as digits as its factorization.

1361056442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680528223.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1361056442 is about 36892.4984515823. The cubic root of 1361056442 is about 1108.2184559071.

The spelling of 1361056442 in words is "one billion, three hundred sixty-one million, fifty-six thousand, four hundred forty-two".