133474655 has 4 divisors (see below), whose sum is σ = 160169592. Its totient is φ = 106779720.

The previous prime is 133474637. The next prime is 133474657. The reversal of 133474655 is 556474331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133474655 - 2¹² = 133470559 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 (133474657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13347461 + ... + 13347470.

It is an arithmetic number, because the mean of its divisors is an integer number (40042398).

Almost surely, 2^133474655 is an apocalyptic number.

133474655 is a deficient number, since it is larger than the sum of its proper divisors (26694937).

133474655 is an equidigital number, since it uses as much as digits as its factorization.

133474655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26694936.

The product of its digits is 151200, while the sum is 38.

The square root of 133474655 is about 11553.1231708140. The cubic root of 133474655 is about 511.0533847411.

The spelling of 133474655 in words is "one hundred thirty-three million, four hundred seventy-four thousand, six hundred fifty-five".