133674716421 has 40 divisors (see below), whose sum is σ = 211617546624. Its totient is φ = 83801208960.

The previous prime is 133674716419. The next prime is 133674716431. The reversal of 133674716421 is 124617476331.

133674716421 is a `hidden beast` number, since 133 + 6 + 7 + 471 + 6 + 42 + 1 = 666.

It is not a de Polignac number, because 133674716421 - 2¹ = 133674716419 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133674716411) 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 39 ways as a sum of consecutive naturals, for example, 1559716 + ... + 1643186.

Almost surely, 2^133674716421 is an apocalyptic number.

It is an amenable number.

133674716421 is a deficient number, since it is larger than the sum of its proper divisors (77942830203).

133674716421 is a wasteful number, since it uses less digits than its factorization.

133674716421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84663 (or 84654 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 133674716421 in words is "one hundred thirty-three billion, six hundred seventy-four million, seven hundred sixteen thousand, four hundred twenty-one".