133434012 has 24 divisors (see below), whose sum is σ = 311535616. Its totient is φ = 44450928.

The previous prime is 133433983. The next prime is 133434047. The reversal of 133434012 is 210434331.

It is a super-2 number, since 2×133434012² = 35609271116832288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133434012.

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, 31653 + ... + 35619.

Almost surely, 2^133434012 is an apocalyptic number.

133434012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133434012 is an abundant number, since it is smaller than the sum of its proper divisors (178101604).

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

133434012 is a wasteful number, since it uses less digits than its factorization.

133434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777 (or 6775 counting only the distinct ones).

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

The square root of 133434012 is about 11551.3640752943. The cubic root of 133434012 is about 511.0015075980.

Adding to 133434012 its reverse (210434331), we get a palindrome (343868343).

The spelling of 133434012 in words is "one hundred thirty-three million, four hundred thirty-four thousand, twelve".