133464074391 has 6 divisors (see below), whose sum is σ = 192781440800. Its totient is φ = 88976049588.

The previous prime is 133464074347. The next prime is 133464074461. The reversal of 133464074391 is 193470464331.

133464074391 is a `hidden beast` number, since 1 + 33 + 464 + 0 + 74 + 3 + 91 = 666.

It is not a de Polignac number, because 133464074391 - 2⁶ = 133464074327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133464070391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7414670791 + ... + 7414670808.

Almost surely, 2^133464074391 is an apocalyptic number.

133464074391 is a deficient number, since it is larger than the sum of its proper divisors (59317366409).

133464074391 is a wasteful number, since it uses less digits than its factorization.

133464074391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14829341605 (or 14829341602 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 133464074391 in words is "one hundred thirty-three billion, four hundred sixty-four million, seventy-four thousand, three hundred ninety-one".