1361444630 has 64 divisors (see below), whose sum is σ = 3029539968. Its totient is φ = 428958720.

The previous prime is 1361444597. The next prime is 1361444641. The reversal of 1361444630 is 364441631.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 208820 + ... + 215240.

It is an arithmetic number, because the mean of its divisors is an integer number (47336562).

Almost surely, 2^1361444630 is an apocalyptic number.

1361444630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361444630 is an abundant number, since it is smaller than the sum of its proper divisors (1668095338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361444630 is a wasteful number, since it uses less digits than its factorization.

1361444630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1361444630 is about 36897.7591460511. The cubic root of 1361444630 is about 1108.3238045173.

Subtracting from 1361444630 its reverse (364441631), we obtain a cube (997002999 = 999³).

The spelling of 1361444630 in words is "one billion, three hundred sixty-one million, four hundred forty-four thousand, six hundred thirty".