133800860944 has 45 divisors (see below), whose sum is σ = 273658307013. Its totient is φ = 63366186816.

The previous prime is 133800860927. The next prime is 133800860983. The reversal of 133800860944 is 449068008331.

The square root of 133800860944 is 365788.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 100197571600 + 33603289344 = 316540^2 + 183312^2 .

It is a super-2 number, since 2×133800860944² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133800860894 and 133800860903.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27797482 + ... + 27802294.

Almost surely, 2^133800860944 is an apocalyptic number.

133800860944 is the 365788-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133800860944

133800860944 is an abundant number, since it is smaller than the sum of its proper divisors (139857446069).

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

133800860944 is an frugal number, since it uses more digits than its factorization.

133800860944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9672 (or 4834 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 133800860944 in words is "one hundred thirty-three billion, eight hundred million, eight hundred sixty thousand, nine hundred forty-four".