133001020240040 has 16 divisors (see below), whose sum is σ = 299252295540180. Its totient is φ = 53200408096000.

The previous prime is 133001020240009. The next prime is 133001020240097. The reversal of 133001020240040 is 40042020100331.

It can be written as a sum of positive squares in 2 ways, for example, as 112549226002084 + 20451794237956 = 10608922^2 + 4522366^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 133001020239994 and 133001020240021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662512752961 + ... + 1662512753040.

Almost surely, 2^{133001020240040} is an apocalyptic number.

133001020240040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133001020240040 is an abundant number, since it is smaller than the sum of its proper divisors (166251275300140).

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

133001020240040 is a wasteful number, since it uses less digits than its factorization.

133001020240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325025506012 (or 3325025506008 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 133001020240040 its reverse (40042020100331), we get a palindrome (173043040340371).

The spelling of 133001020240040 in words is "one hundred thirty-three trillion, one billion, twenty million, two hundred forty thousand, forty".