133125310 has 16 divisors (see below), whose sum is σ = 242319600. Its totient is φ = 52651456.

The previous prime is 133125259. The next prime is 133125359. The reversal of 133125310 is 13521331.

It is a super-2 number, since 2×133125310² = 35444696325192200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73900 + ... + 75679.

It is an arithmetic number, because the mean of its divisors is an integer number (15144975).

Almost surely, 2^133125310 is an apocalyptic number.

133125310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133125310 is a deficient number, since it is larger than the sum of its proper divisors (109194290).

133125310 is a wasteful number, since it uses less digits than its factorization.

133125310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149675.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 133125310 is about 11537.9941930996. The cubic root of 133125310 is about 510.6071329006.

Adding to 133125310 its reverse (13521331), we get a palindrome (146646641).

The spelling of 133125310 in words is "one hundred thirty-three million, one hundred twenty-five thousand, three hundred ten".