140105143435040 has 192 divisors, whose sum is σ = 378837486155520. Its totient is φ = 47965772574720.

The previous prime is 140105143435001. The next prime is 140105143435043. The reversal of 140105143435040 is 40534341501041.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (140105143435043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7429077131 + ... + 7429095989.

It is an arithmetic number, because the mean of its divisors is an integer number (1973111907060).

Almost surely, 2^{140105143435040} is an apocalyptic number.

140105143435040 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 140105143435040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189418743077760).

140105143435040 is an abundant number, since it is smaller than the sum of its proper divisors (238732342720480).

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

140105143435040 is a wasteful number, since it uses less digits than its factorization.

140105143435040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28235 (or 28227 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 140105143435040 its reverse (40534341501041), we get a palindrome (180639484936081).

The spelling of 140105143435040 in words is "one hundred forty trillion, one hundred five billion, one hundred forty-three million, four hundred thirty-five thousand, forty".