133738682421 has 8 divisors (see below), whose sum is σ = 178409743200. Its totient is φ = 89113371632.

The previous prime is 133738682369. The next prime is 133738682443. The reversal of 133738682421 is 124286837331.

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 133738682421 - 2¹⁴ = 133738666037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133738682621) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11430675 + ... + 11442368.

It is an arithmetic number, because the mean of its divisors is an integer number (22301217900).

Almost surely, 2^133738682421 is an apocalyptic number.

It is an amenable number.

133738682421 is a deficient number, since it is larger than the sum of its proper divisors (44671060779).

133738682421 is a wasteful number, since it uses less digits than its factorization.

133738682421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22874995.

The product of its digits is 1161216, while the sum is 48.

The spelling of 133738682421 in words is "one hundred thirty-three billion, seven hundred thirty-eight million, six hundred eighty-two thousand, four hundred twenty-one".