133150240 has 24 divisors (see below), whose sum is σ = 314567820. Its totient is φ = 53260032.

The previous prime is 133150217. The next prime is 133150261. The reversal of 133150240 is 42051331.

It can be written as a sum of positive squares in 2 ways, for example, as 132987024 + 163216 = 11532^2 + 404^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415935 + ... + 416254.

Almost surely, 2^133150240 is an apocalyptic number.

133150240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133150240 is an abundant number, since it is smaller than the sum of its proper divisors (181417580).

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

133150240 is an equidigital number, since it uses as much as digits as its factorization.

133150240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832204 (or 832196 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 133150240 is about 11539.0744862836. The cubic root of 133150240 is about 510.6390042287.

The spelling of 133150240 in words is "one hundred thirty-three million, one hundred fifty thousand, two hundred forty".