1373140475850 has 192 divisors, whose sum is σ = 4016319189120. Its totient is φ = 306079334400.

The previous prime is 1373140475831. The next prime is 1373140475909. The reversal of 1373140475850 is 585740413731.

It is a self number, because there is not a number n which added to its sum of digits gives 1373140475850.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5388106 + ... + 5637194.

It is an arithmetic number, because the mean of its divisors is an integer number (20918329110).

Almost surely, 2^{1373140475850} is an apocalyptic number.

1373140475850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373140475850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008159594560).

1373140475850 is an abundant number, since it is smaller than the sum of its proper divisors (2643178713270).

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

1373140475850 is a wasteful number, since it uses less digits than its factorization.

1373140475850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249385 (or 249380 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 1373140475850 in words is "one trillion, three hundred seventy-three billion, one hundred forty million, four hundred seventy-five thousand, eight hundred fifty".