133747061472 has 72 divisors (see below), whose sum is σ = 380855717424. Its totient is φ = 44522279424.

The previous prime is 133747061423. The next prime is 133747061501. The reversal of 133747061472 is 274160747331.

It is a happy number.

133747061472 is a `hidden beast` number, since 1 + 3 + 37 + 470 + 6 + 147 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98533 + ... + 526500.

It is an arithmetic number, because the mean of its divisors is an integer number (5289662742).

Almost surely, 2^133747061472 is an apocalyptic number.

133747061472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133747061472 is an abundant number, since it is smaller than the sum of its proper divisors (247108655952).

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

133747061472 is a wasteful number, since it uses less digits than its factorization.

133747061472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625792 (or 625781 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 133747061472 in words is "one hundred thirty-three billion, seven hundred forty-seven million, sixty-one thousand, four hundred seventy-two".