1403203042140 has 96 divisors (see below), whose sum is σ = 4164653574144. Its totient is φ = 351789634560.

The previous prime is 1403203042121. The next prime is 1403203042147. The reversal of 1403203042140 is 412403023041.

It is a self number, because there is not a number n which added to its sum of digits gives 1403203042140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403203042147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174177 + ... + 1684263.

It is an arithmetic number, because the mean of its divisors is an integer number (43381808064).

Almost surely, 2^{1403203042140} is an apocalyptic number.

1403203042140 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 1403203042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2082326787072).

1403203042140 is an abundant number, since it is smaller than the sum of its proper divisors (2761450532004).

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

1403203042140 is a wasteful number, since it uses less digits than its factorization.

1403203042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511027 (or 1511025 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1403203042140 its reverse (412403023041), we get a palindrome (1815606065181).

The spelling of 1403203042140 in words is "one trillion, four hundred three billion, two hundred three million, forty-two thousand, one hundred forty".