133314420 has 24 divisors (see below), whose sum is σ = 373280544. Its totient is φ = 35550496.

The previous prime is 133314413. The next prime is 133314473. The reversal of 133314420 is 24413331.

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, 1110894 + ... + 1111013.

It is an arithmetic number, because the mean of its divisors is an integer number (15553356).

Almost surely, 2^133314420 is an apocalyptic number.

133314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133314420 is an abundant number, since it is smaller than the sum of its proper divisors (239966124).

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

133314420 is a wasteful number, since it uses less digits than its factorization.

133314420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221919 (or 2221917 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133314420 is about 11546.1863833908. The cubic root of 133314420 is about 510.8487980106.

Adding to 133314420 its reverse (24413331), we get a palindrome (157727751).

It can be divided in two parts, 1333 and 14420, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 133314420 in words is "one hundred thirty-three million, three hundred fourteen thousand, four hundred twenty".