133771400044 has 12 divisors (see below), whose sum is σ = 244278208944. Its totient is φ = 63977626064.

The previous prime is 133771400041. The next prime is 133771400053. The reversal of 133771400044 is 440004177331.

It is a junction number, because it is equal to n+sod(n) for n = 133771399982 and 133771400009.

It is not an unprimeable number, because it can be changed into a prime (133771400041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727018387 + ... + 727018570.

It is an arithmetic number, because the mean of its divisors is an integer number (20356517412).

Almost surely, 2^133771400044 is an apocalyptic number.

It is an amenable number.

133771400044 is a deficient number, since it is larger than the sum of its proper divisors (110506808900).

133771400044 is a wasteful number, since it uses less digits than its factorization.

133771400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454036984 (or 1454036982 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 133771400044 its reverse (440004177331), we get a palindrome (573775577375).

The spelling of 133771400044 in words is "one hundred thirty-three billion, seven hundred seventy-one million, four hundred thousand, forty-four".