133280620 has 48 divisors (see below), whose sum is σ = 306125568. Its totient is φ = 48340160.

The previous prime is 133280599. The next prime is 133280659. The reversal of 133280620 is 26082331.

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 15 ways as a sum of consecutive naturals, for example, 149817 + ... + 150703.

It is an arithmetic number, because the mean of its divisors is an integer number (6377616).

Almost surely, 2^133280620 is an apocalyptic number.

133280620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133280620 is an abundant number, since it is smaller than the sum of its proper divisors (172844948).

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

133280620 is a wasteful number, since it uses less digits than its factorization.

133280620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 133280620 is about 11544.7226038567. The cubic root of 133280620 is about 510.8056215139.

The spelling of 133280620 in words is "one hundred thirty-three million, two hundred eighty thousand, six hundred twenty".