1361434450 has 12 divisors (see below), whose sum is σ = 2532268170. Its totient is φ = 544573760.

The previous prime is 1361434447. The next prime is 1361434457. The reversal of 1361434450 is 544341631.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 524547409 + 836887041 = 22903^2 + 28929^2 .

It is not an unprimeable number, because it can be changed into a prime (1361434457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13614295 + ... + 13614394.

Almost surely, 2^1361434450 is an apocalyptic number.

1361434450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1361434450 is a deficient number, since it is larger than the sum of its proper divisors (1170833720).

1361434450 is a wasteful number, since it uses less digits than its factorization.

1361434450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27228701 (or 27228696 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1361434450 is about 36897.6211970365. The cubic root of 1361434450 is about 1108.3210420682.

The spelling of 1361434450 in words is "one billion, three hundred sixty-one million, four hundred thirty-four thousand, four hundred fifty".