133031545240 has 32 divisors (see below), whose sum is σ = 326531975760. Its totient is φ = 48375107200.

The previous prime is 133031545219. The next prime is 133031545243. The reversal of 133031545240 is 42545130331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133031545243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151171771 + ... + 151172650.

Almost surely, 2^133031545240 is an apocalyptic number.

133031545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133031545240 is an abundant number, since it is smaller than the sum of its proper divisors (193500430520).

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

133031545240 is a wasteful number, since it uses less digits than its factorization.

133031545240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302344443 (or 302344439 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 133031545240 its reverse (42545130331), we get a palindrome (175576675571).

The spelling of 133031545240 in words is "one hundred thirty-three billion, thirty-one million, five hundred forty-five thousand, two hundred forty".