133031251140 has 96 divisors (see below), whose sum is σ = 382802770560. Its totient is φ = 34493838336.

The previous prime is 133031251139. The next prime is 133031251159. The reversal of 133031251140 is 41152130331.

It is a self number, because there is not a number n which added to its sum of digits gives 133031251140.

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, 3553359 + ... + 3590601.

It is an arithmetic number, because the mean of its divisors is an integer number (3987528860).

Almost surely, 2^133031251140 is an apocalyptic number.

133031251140 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 133031251140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191401385280).

133031251140 is an abundant number, since it is smaller than the sum of its proper divisors (249771519420).

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

133031251140 is a wasteful number, since it uses less digits than its factorization.

133031251140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38901 (or 38899 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 133031251140 its reverse (41152130331), we get a palindrome (174183381471).

The spelling of 133031251140 in words is "one hundred thirty-three billion, thirty-one million, two hundred fifty-one thousand, one hundred forty".