143213134240 has 96 divisors (see below), whose sum is σ = 369521320896. Its totient is φ = 52017960960.

The previous prime is 143213134199. The next prime is 143213134241. The reversal of 143213134240 is 42431312341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 143213134199 and 143213134208.

It is not an unprimeable number, because it can be changed into a prime (143213134241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508004 + ... + 1600156.

It is an arithmetic number, because the mean of its divisors is an integer number (3849180426).

Almost surely, 2^143213134240 is an apocalyptic number.

143213134240 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 143213134240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184760660448).

143213134240 is an abundant number, since it is smaller than the sum of its proper divisors (226308186656).

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

143213134240 is a wasteful number, since it uses less digits than its factorization.

143213134240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93062 (or 93054 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 143213134240 its reverse (42431312341), we get a palindrome (185644446581).

The spelling of 143213134240 in words is "one hundred forty-three billion, two hundred thirteen million, one hundred thirty-four thousand, two hundred forty".