1361974287144 has 64 divisors (see below), whose sum is σ = 3515134279680. Its totient is φ = 439301304000.

The previous prime is 1361974287143. The next prime is 1361974287187. The reversal of 1361974287144 is 4417824791631.

It is not an unprimeable number, because it can be changed into a prime (1361974287143) 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, 7552509 + ... + 7730739.

It is an arithmetic number, because the mean of its divisors is an integer number (54923973120).

Almost surely, 2^{1361974287144} is an apocalyptic number.

It is an amenable number.

1361974287144 is an abundant number, since it is smaller than the sum of its proper divisors (2153159992536).

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

1361974287144 is a wasteful number, since it uses less digits than its factorization.

1361974287144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188542 (or 188538 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The spelling of 1361974287144 in words is "one trillion, three hundred sixty-one billion, nine hundred seventy-four million, two hundred eighty-seven thousand, one hundred forty-four".