133746612 has 12 divisors (see below), whose sum is σ = 312075456. Its totient is φ = 44582200.

The previous prime is 133746611. The next prime is 133746623. The reversal of 133746612 is 216647331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133746611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5572764 + ... + 5572787.

It is an arithmetic number, because the mean of its divisors is an integer number (26006288).

Almost surely, 2^133746612 is an apocalyptic number.

133746612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133746612 is an abundant number, since it is smaller than the sum of its proper divisors (178328844).

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

133746612 is a wasteful number, since it uses less digits than its factorization.

133746612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11145558 (or 11145556 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 133746612 is about 11564.8870292796. The cubic root of 133746612 is about 511.4002427458.

The spelling of 133746612 in words is "one hundred thirty-three million, seven hundred forty-six thousand, six hundred twelve".