143138372640 has 192 divisors, whose sum is σ = 475021895040. Its totient is φ = 36130406400.

The previous prime is 143138372603. The next prime is 143138372687. The reversal of 143138372640 is 46273831341.

143138372640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143138372592 and 143138372601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11822590 + ... + 11834690.

It is an arithmetic number, because the mean of its divisors is an integer number (2474072370).

Almost surely, 2^143138372640 is an apocalyptic number.

143138372640 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 143138372640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237510947520).

143138372640 is an abundant number, since it is smaller than the sum of its proper divisors (331883522400).

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

143138372640 is a wasteful number, since it uses less digits than its factorization.

143138372640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13435 (or 13427 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 143138372640 in words is "one hundred forty-three billion, one hundred thirty-eight million, three hundred seventy-two thousand, six hundred forty".