1234501345140 has 192 divisors, whose sum is σ = 4070403262464. Its totient is φ = 273650130432.

The previous prime is 1234501345117. The next prime is 1234501345141. The reversal of 1234501345140 is 415431054321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234501345141) 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 63 ways as a sum of consecutive naturals, for example, 4641399 + ... + 4900161.

It is an arithmetic number, because the mean of its divisors is an integer number (21200016992).

Almost surely, 2^{1234501345140} is an apocalyptic number.

1234501345140 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 1234501345140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035201631232).

1234501345140 is an abundant number, since it is smaller than the sum of its proper divisors (2835901917324).

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

1234501345140 is a wasteful number, since it uses less digits than its factorization.

1234501345140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259126 (or 259124 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1234501345140 its reverse (415431054321), we get a palindrome (1649932399461).

The spelling of 1234501345140 in words is "one trillion, two hundred thirty-four billion, five hundred one million, three hundred forty-five thousand, one hundred forty".