133133213000 has 32 divisors (see below), whose sum is σ = 311531720760. Its totient is φ = 53253284800.

The previous prime is 133133212999. The next prime is 133133213023. The reversal of 133133213000 is 312331331.

It can be written as a sum of positive squares in 4 ways, for example, as 55391505316 + 77741707684 = 235354^2 + 278822^2 .

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

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, 66565607 + ... + 66567606.

Almost surely, 2^133133213000 is an apocalyptic number.

133133213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133133213000 is an abundant number, since it is smaller than the sum of its proper divisors (178398507760).

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

133133213000 is a wasteful number, since it uses less digits than its factorization.

133133213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133133234 (or 133133220 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 133133213000 its reverse (312331331), we get a palindrome (133445544331).

The spelling of 133133213000 in words is "one hundred thirty-three billion, one hundred thirty-three million, two hundred thirteen thousand".