1361211746406 has 16 divisors (see below), whose sum is σ = 2722894651200. Its totient is φ = 453658722408.

The previous prime is 1361211746381. The next prime is 1361211746467. The reversal of 1361211746406 is 6046471121631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19594036 + ... + 19663383.

It is an arithmetic number, because the mean of its divisors is an integer number (170180915700).

Almost surely, 2^{1361211746406} is an apocalyptic number.

1361211746406 is an abundant number, since it is smaller than the sum of its proper divisors (1361682904794).

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

1361211746406 is a wasteful number, since it uses less digits than its factorization.

1361211746406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39263203.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 1361211746406 in words is "one trillion, three hundred sixty-one billion, two hundred eleven million, seven hundred forty-six thousand, four hundred six".