133046040 has 32 divisors (see below), whose sum is σ = 399138480. Its totient is φ = 35478912.

The previous prime is 133046021. The next prime is 133046051. The reversal of 133046040 is 40640331.

It is a junction number, because it is equal to n+sod(n) for n = 133045998 and 133046016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554239 + ... + 554478.

Almost surely, 2^133046040 is an apocalyptic number.

133046040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133046040 is an abundant number, since it is smaller than the sum of its proper divisors (266092440).

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

133046040 is a wasteful number, since it uses less digits than its factorization.

133046040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108731 (or 1108727 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133046040 is about 11534.5585091064. The cubic root of 133046040 is about 510.5057650893.

Adding to 133046040 its reverse (40640331), we get a palindrome (173686371).

The spelling of 133046040 in words is "one hundred thirty-three million, forty-six thousand, forty".