1363523540540 has 384 divisors, whose sum is σ = 3534580482048. Its totient is φ = 432027509760.

The previous prime is 1363523540443. The next prime is 1363523540569. The reversal of 1363523540540 is 450453253631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2088090854 + ... + 2088091506.

It is an arithmetic number, because the mean of its divisors is an integer number (9204636672).

Almost surely, 2^{1363523540540} is an apocalyptic number.

1363523540540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363523540540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767290241024).

1363523540540 is an abundant number, since it is smaller than the sum of its proper divisors (2171056941508).

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

1363523540540 is a wasteful number, since it uses less digits than its factorization.

1363523540540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 1363523540540 in words is "one trillion, three hundred sixty-three billion, five hundred twenty-three million, five hundred forty thousand, five hundred forty".