133536040 has 32 divisors (see below), whose sum is σ = 327771360. Its totient is φ = 48558400.

The previous prime is 133536031. The next prime is 133536041. The reversal of 133536040 is 40635331.

It is a junction number, because it is equal to n+sod(n) for n = 133535996 and 133536014.

It is not an unprimeable number, because it can be changed into a prime (133536041) 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, 151306 + ... + 152185.

It is an arithmetic number, because the mean of its divisors is an integer number (10242855).

Almost surely, 2^133536040 is an apocalyptic number.

133536040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133536040 is an abundant number, since it is smaller than the sum of its proper divisors (194235320).

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

133536040 is a wasteful number, since it uses less digits than its factorization.

133536040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303513 (or 303509 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 133536040 is about 11555.7795063769. The cubic root of 133536040 is about 511.1317172257.

The spelling of 133536040 in words is "one hundred thirty-three million, five hundred thirty-six thousand, forty".