133339488 has 24 divisors (see below), whose sum is σ = 350016408. Its totient is φ = 44446464.

The previous prime is 133339457. The next prime is 133339489. The reversal of 133339488 is 884933331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133339489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694381 + ... + 694572.

It is an arithmetic number, because the mean of its divisors is an integer number (14584017).

Almost surely, 2^133339488 is an apocalyptic number.

It is an amenable number.

133339488 is an abundant number, since it is smaller than the sum of its proper divisors (216676920).

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

133339488 is a wasteful number, since it uses less digits than its factorization.

133339488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388966 (or 1388958 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 133339488 is about 11547.2718856014. The cubic root of 133339488 is about 510.8808154400.

The spelling of 133339488 in words is "one hundred thirty-three million, three hundred thirty-nine thousand, four hundred eighty-eight".