133501040 has 40 divisors (see below), whose sum is σ = 311082768. Its totient is φ = 53281280.

The previous prime is 133501031. The next prime is 133501057. The reversal of 133501040 is 40105331.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40079 + ... + 43281.

Almost surely, 2^133501040 is an apocalyptic number.

133501040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133501040 is an abundant number, since it is smaller than the sum of its proper divisors (177581728).

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

133501040 is a wasteful number, since it uses less digits than its factorization.

133501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 133501040 is about 11554.2650134052. The cubic root of 133501040 is about 511.0870571891.

Adding to 133501040 its reverse (40105331), we get a palindrome (173606371).

It can be divided in two parts, 13 and 3501040, that added together give a palindrome (3501053).

The spelling of 133501040 in words is "one hundred thirty-three million, five hundred one thousand, forty".