133045740 has 120 divisors (see below), whose sum is σ = 442012032. Its totient is φ = 33384960.

The previous prime is 133045739. The next prime is 133045751. The reversal of 133045740 is 47540331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25125 + ... + 29955.

Almost surely, 2^133045740 is an apocalyptic number.

133045740 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 133045740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221006016).

133045740 is an abundant number, since it is smaller than the sum of its proper divisors (308966292).

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

133045740 is a wasteful number, since it uses less digits than its factorization.

133045740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4869 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 133045740 is about 11534.5455047002. The cubic root of 133045740 is about 510.5053813829.

It can be divided in two parts, 13304 and 5740, that added together give a square (19044 = 138²).

The spelling of 133045740 in words is "one hundred thirty-three million, forty-five thousand, seven hundred forty".