133503312510440 has 64 divisors (see below), whose sum is σ = 324250924003200. Its totient is φ = 49318165211392.

The previous prime is 133503312510437. The next prime is 133503312510443. The reversal of 133503312510440 is 44015213305331.

It is an interprime number because it is at equal distance from previous prime (133503312510437) and next prime (133503312510443).

It is a self number, because there is not a number n which added to its sum of digits gives 133503312510440.

It is not an unprimeable number, because it can be changed into a prime (133503312510443) 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, 2501909462 + ... + 2501962821.

It is an arithmetic number, because the mean of its divisors is an integer number (5066420687550).

Almost surely, 2^{133503312510440} is an apocalyptic number.

133503312510440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133503312510440 is an abundant number, since it is smaller than the sum of its proper divisors (190747611492760).

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

133503312510440 is a wasteful number, since it uses less digits than its factorization.

133503312510440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003872346 (or 5003872342 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 133503312510440 its reverse (44015213305331), we get a palindrome (177518525815771).

The spelling of 133503312510440 in words is "one hundred thirty-three trillion, five hundred three billion, three hundred twelve million, five hundred ten thousand, four hundred forty".