133331140 has 24 divisors (see below), whose sum is σ = 282044952. Its totient is φ = 52942080.

The previous prime is 133331129. The next prime is 133331147. The reversal of 133331140 is 41133331.

It can be written as a sum of positive squares in 4 ways, for example, as 8964036 + 124367104 = 2994^2 + 11152^2 .

It is not an unprimeable number, because it can be changed into a prime (133331147) 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, 21591 + ... + 27070.

It is an arithmetic number, because the mean of its divisors is an integer number (11751873).

Almost surely, 2^133331140 is an apocalyptic number.

133331140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133331140 is an abundant number, since it is smaller than the sum of its proper divisors (148713812).

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

133331140 is a wasteful number, since it uses less digits than its factorization.

133331140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48807 (or 48805 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133331140 is about 11546.9104092826. The cubic root of 133331140 is about 510.8701536270.

Adding to 133331140 its reverse (41133331), we get a palindrome (174464471).

The spelling of 133331140 in words is "one hundred thirty-three million, three hundred thirty-one thousand, one hundred forty".