133315230 has 16 divisors (see below), whose sum is σ = 319956624. Its totient is φ = 35550720.

The previous prime is 133315211. The next prime is 133315271. The reversal of 133315230 is 32513331.

It is a junction number, because it is equal to n+sod(n) for n = 133315197 and 133315206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221891 + ... + 2221950.

It is an arithmetic number, because the mean of its divisors is an integer number (19997289).

Almost surely, 2^133315230 is an apocalyptic number.

133315230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133315230 is an abundant number, since it is smaller than the sum of its proper divisors (186641394).

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

133315230 is a wasteful number, since it uses less digits than its factorization.

133315230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443851.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 133315230 is about 11546.2214598543. The cubic root of 133315230 is about 510.8498326240.

Adding to 133315230 its reverse (32513331), we get a palindrome (165828561).

The spelling of 133315230 in words is "one hundred thirty-three million, three hundred fifteen thousand, two hundred thirty".