133465688487 has 6 divisors (see below), whose sum is σ = 192783772272. Its totient is φ = 88977125652.

The previous prime is 133465688479. The next prime is 133465688497. The reversal of 133465688487 is 784886564331.

133465688487 is a `hidden beast` number, since 1 + 3 + 34 + 65 + 68 + 8 + 487 = 666.

It is not a de Polignac number, because 133465688487 - 2³ = 133465688479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133465688497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7414760463 + ... + 7414760480.

It is an arithmetic number, because the mean of its divisors is an integer number (32130628712).

Almost surely, 2^133465688487 is an apocalyptic number.

133465688487 is a deficient number, since it is larger than the sum of its proper divisors (59318083785).

133465688487 is a wasteful number, since it uses less digits than its factorization.

133465688487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14829520949 (or 14829520946 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 63.

The spelling of 133465688487 in words is "one hundred thirty-three billion, four hundred sixty-five million, six hundred eighty-eight thousand, four hundred eighty-seven".