1361489455 has 16 divisors (see below), whose sum is σ = 1732873824. Its totient is φ = 1023354880.

The previous prime is 1361489453. The next prime is 1361489483. The reversal of 1361489455 is 5549841631.

It is not a de Polignac number, because 1361489455 - 2¹ = 1361489453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361489453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36900 + ... + 63910.

It is an arithmetic number, because the mean of its divisors is an integer number (108304614).

Almost surely, 2^1361489455 is an apocalyptic number.

1361489455 is a deficient number, since it is larger than the sum of its proper divisors (371384369).

1361489455 is a wasteful number, since it uses less digits than its factorization.

1361489455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626.

The product of its digits is 518400, while the sum is 46.

The square root of 1361489455 is about 36898.3665627626. The cubic root of 1361489455 is about 1108.3359680844.

The spelling of 1361489455 in words is "one billion, three hundred sixty-one million, four hundred eighty-nine thousand, four hundred fifty-five".