1361613200 has 30 divisors (see below), whose sum is σ = 3271276674. Its totient is φ = 544645120.

The previous prime is 1361613193. The next prime is 1361613229. The reversal of 1361613200 is 23161631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1183744 + 1360429456 = 1088^2 + 36884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1701617 + ... + 1702416.

Almost surely, 2^1361613200 is an apocalyptic number.

1361613200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361613200 is an abundant number, since it is smaller than the sum of its proper divisors (1909663474).

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

1361613200 is a wasteful number, since it uses less digits than its factorization.

1361613200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404051 (or 3404040 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1361613200 is about 36900.0433604081. The cubic root of 1361613200 is about 1108.3695457418.

Adding to 1361613200 its reverse (23161631), we get a palindrome (1384774831).

The spelling of 1361613200 in words is "one billion, three hundred sixty-one million, six hundred thirteen thousand, two hundred".