133746988 has 12 divisors (see below), whose sum is σ = 234337600. Its totient is φ = 66793392.

The previous prime is 133746967. The next prime is 133747013. The reversal of 133746988 is 889647331.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16188 + ... + 23011.

Almost surely, 2^133746988 is an apocalyptic number.

It is an amenable number.

133746988 is a deficient number, since it is larger than the sum of its proper divisors (100590612).

133746988 is a wasteful number, since it uses less digits than its factorization.

133746988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056 (or 40054 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 133746988 is about 11564.9032853717. The cubic root of 133746988 is about 511.4007219762.

The spelling of 133746988 in words is "one hundred thirty-three million, seven hundred forty-six thousand, nine hundred eighty-eight".