1361836894 has 64 divisors (see below), whose sum is σ = 2420409600. Its totient is φ = 567993600.

The previous prime is 1361836849. The next prime is 1361836919. The reversal of 1361836894 is 4986381631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3924429 + ... + 3924775.

It is an arithmetic number, because the mean of its divisors is an integer number (37818900).

Almost surely, 2^1361836894 is an apocalyptic number.

1361836894 is a deficient number, since it is larger than the sum of its proper divisors (1058572706).

1361836894 is a wasteful number, since it uses less digits than its factorization.

1361836894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its digits is 746496, while the sum is 49.

The square root of 1361836894 is about 36903.0743163764. The cubic root of 1361836894 is about 1108.4302389550.

The spelling of 1361836894 in words is "one billion, three hundred sixty-one million, eight hundred thirty-six thousand, eight hundred ninety-four".