133432000040 has 32 divisors (see below), whose sum is σ = 300296475360. Its totient is φ = 53359560000.

The previous prime is 133431999997. The next prime is 133432000049. The reversal of 133432000040 is 40000234331.

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 = 133431999976 and 133432000021.

It is not an unprimeable number, because it can be changed into a prime (133432000049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249686 + ... + 573765.

It is an arithmetic number, because the mean of its divisors is an integer number (9384264855).

Almost surely, 2^133432000040 is an apocalyptic number.

133432000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133432000040 is an abundant number, since it is smaller than the sum of its proper divisors (166864475320).

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

133432000040 is a wasteful number, since it uses less digits than its factorization.

133432000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827513 (or 827509 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 133432000040 its reverse (40000234331), we get a palindrome (173432234371).

The spelling of 133432000040 in words is "one hundred thirty-three billion, four hundred thirty-two million, forty", and thus it is an aban number.