133051037540 has 24 divisors (see below), whose sum is σ = 295842895992. Its totient is φ = 50089802240.

The previous prime is 133051037521. The next prime is 133051037579. The reversal of 133051037540 is 45730150331.

It can be written as a sum of positive squares in 4 ways, for example, as 1875236416 + 131175801124 = 43304^2 + 362182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133051037497 and 133051037506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195662951 + ... + 195663630.

It is an arithmetic number, because the mean of its divisors is an integer number (12326787333).

Almost surely, 2^133051037540 is an apocalyptic number.

133051037540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133051037540 is an abundant number, since it is smaller than the sum of its proper divisors (162791858452).

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

133051037540 is a wasteful number, since it uses less digits than its factorization.

133051037540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391326607 (or 391326605 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

Adding to 133051037540 its reverse (45730150331), we get a palindrome (178781187871).

The spelling of 133051037540 in words is "one hundred thirty-three billion, fifty-one million, thirty-seven thousand, five hundred forty".