133463655 has 48 divisors (see below), whose sum is σ = 257755680. Its totient is φ = 63431424.

The previous prime is 133463647. The next prime is 133463663. The reversal of 133463655 is 556364331.

133463655 is a `hidden beast` number, since 13 + 3 + 4 + 636 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (133463647) and next prime (133463663).

It is not a de Polignac number, because 133463655 - 2³ = 133463647 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13032 + ... + 20898.

It is an arithmetic number, because the mean of its divisors is an integer number (5369910).

Almost surely, 2^133463655 is an apocalyptic number.

133463655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133463655 is a deficient number, since it is larger than the sum of its proper divisors (124292025).

133463655 is a wasteful number, since it uses less digits than its factorization.

133463655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7917 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 133463655 is about 11552.6470992582. The cubic root of 133463655 is about 511.0393452675.

The spelling of 133463655 in words is "one hundred thirty-three million, four hundred sixty-three thousand, six hundred fifty-five".