133000030320 has 40 divisors (see below), whose sum is σ = 412300094736. Its totient is φ = 35466674688.

The previous prime is 133000030271. The next prime is 133000030321. The reversal of 133000030320 is 23030000331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 133000030320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000030321) 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, 277083157 + ... + 277083636.

Almost surely, 2^133000030320 is an apocalyptic number.

133000030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133000030320 is an abundant number, since it is smaller than the sum of its proper divisors (279300064416).

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

133000030320 is a wasteful number, since it uses less digits than its factorization.

133000030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554166809 (or 554166803 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 133000030320 its reverse (23030000331), we get a palindrome (156030030651).

The spelling of 133000030320 in words is "one hundred thirty-three billion, thirty thousand, three hundred twenty".