133341280 has 48 divisors (see below), whose sum is σ = 322361424. Its totient is φ = 52093440.

The previous prime is 133341277. The next prime is 133341287. The reversal of 133341280 is 82143331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133341287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (6715863).

Almost surely, 2^133341280 is an apocalyptic number.

133341280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133341280 is an abundant number, since it is smaller than the sum of its proper divisors (189020144).

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

133341280 is a wasteful number, since it uses less digits than its factorization.

133341280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19439 (or 19431 counting only the distinct ones).

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

The square root of 133341280 is about 11547.3494794260. The cubic root of 133341280 is about 510.8831040701.

The spelling of 133341280 in words is "one hundred thirty-three million, three hundred forty-one thousand, two hundred eighty".