1361263053 has 16 divisors (see below), whose sum is σ = 1846423040. Its totient is φ = 891869616.

The previous prime is 1361263031. The next prime is 1361263061. The reversal of 1361263053 is 3503621631.

It is a happy number.

It is not a de Polignac number, because 1361263053 - 2⁹ = 1361262541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1361263053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361263003) 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, 80526 + ... + 95952.

It is an arithmetic number, because the mean of its divisors is an integer number (115401440).

Almost surely, 2^1361263053 is an apocalyptic number.

It is an amenable number.

1361263053 is a deficient number, since it is larger than the sum of its proper divisors (485159987).

1361263053 is a wasteful number, since it uses less digits than its factorization.

1361263053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15936.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 1361263053 is about 36895.2985216274. The cubic root of 1361263053 is about 1108.2745296381.

Adding to 1361263053 its reverse (3503621631), we get a palindrome (4864884684).

The spelling of 1361263053 in words is "one billion, three hundred sixty-one million, two hundred sixty-three thousand, fifty-three".