133728469673 has 8 divisors (see below), whose sum is σ = 144887754528. Its totient is φ = 122935063104.

The previous prime is 133728469663. The next prime is 133728469727. The reversal of 133728469673 is 376964827331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133728469673 - 2²⁸ = 133460034217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133728469603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91468811 + ... + 91470272.

It is an arithmetic number, because the mean of its divisors is an integer number (18110969316).

Almost surely, 2^133728469673 is an apocalyptic number.

It is an amenable number.

133728469673 is a deficient number, since it is larger than the sum of its proper divisors (11159284855).

133728469673 is a wasteful number, since it uses less digits than its factorization.

133728469673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182939143.

The product of its digits is 27433728, while the sum is 59.

The spelling of 133728469673 in words is "one hundred thirty-three billion, seven hundred twenty-eight million, four hundred sixty-nine thousand, six hundred seventy-three".