133728025662 has 48 divisors (see below), whose sum is σ = 361239345792. Its totient is φ = 34734551760.

The previous prime is 133728025661. The next prime is 133728025663. The reversal of 133728025662 is 266520827331.

133728025662 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 2 + 80 + 2 + 566 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (133728025661) and next prime (133728025663).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133728025661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48241048 + ... + 48243819.

It is an arithmetic number, because the mean of its divisors is an integer number (7525819704).

Almost surely, 2^133728025662 is an apocalyptic number.

133728025662 is an abundant number, since it is smaller than the sum of its proper divisors (227511320130).

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

133728025662 is a wasteful number, since it uses less digits than its factorization.

133728025662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96484893 (or 96484890 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 133728025662 in words is "one hundred thirty-three billion, seven hundred twenty-eight million, twenty-five thousand, six hundred sixty-two".