133765260 has 96 divisors (see below), whose sum is σ = 387045120. Its totient is φ = 34497792.

The previous prime is 133765241. The next prime is 133765277. The reversal of 133765260 is 62567331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358434 + ... + 358806.

It is an arithmetic number, because the mean of its divisors is an integer number (4031720).

Almost surely, 2^133765260 is an apocalyptic number.

133765260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133765260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193522560).

133765260 is an abundant number, since it is smaller than the sum of its proper divisors (253279860).

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

133765260 is a wasteful number, since it uses less digits than its factorization.

133765260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 133765260 is about 11565.6932347352. The cubic root of 133765260 is about 511.4240094501.

The spelling of 133765260 in words is "one hundred thirty-three million, seven hundred sixty-five thousand, two hundred sixty".