133501412 has 48 divisors (see below), whose sum is σ = 267309504. Its totient is φ = 57792000.

The previous prime is 133501399. The next prime is 133501441. The reversal of 133501412 is 214105331.

133501412 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

133501412 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76712 + ... + 78432.

It is an arithmetic number, because the mean of its divisors is an integer number (5568948).

Almost surely, 2^133501412 is an apocalyptic number.

It is an amenable number.

133501412 is an abundant number, since it is smaller than the sum of its proper divisors (133808092).

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

133501412 is a wasteful number, since it uses less digits than its factorization.

133501412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 133501412 is about 11554.2811113457. The cubic root of 133501412 is about 511.0875319025.

Adding to 133501412 its reverse (214105331), we get a palindrome (347606743).

The spelling of 133501412 in words is "one hundred thirty-three million, five hundred one thousand, four hundred twelve".