1361400651444 has 12 divisors (see below), whose sum is σ = 3176601520064. Its totient is φ = 453800217144.

The previous prime is 1361400651431. The next prime is 1361400651451. The reversal of 1361400651444 is 4441560041631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56725027132 + ... + 56725027155.

Almost surely, 2^{1361400651444} is an apocalyptic number.

It is an amenable number.

1361400651444 is an abundant number, since it is smaller than the sum of its proper divisors (1815200868620).

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

1361400651444 is a wasteful number, since it uses less digits than its factorization.

1361400651444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113450054294 (or 113450054292 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 1361400651444 in words is "one trillion, three hundred sixty-one billion, four hundred million, six hundred fifty-one thousand, four hundred forty-four".