133648074 has 48 divisors (see below), whose sum is σ = 331636032. Its totient is φ = 38104704.

The previous prime is 133648051. The next prime is 133648079. The reversal of 133648074 is 470846331.

133648074 is a `hidden beast` number, since 1 + 3 + 3 + 648 + 0 + 7 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133648079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85282 + ... + 86834.

It is an arithmetic number, because the mean of its divisors is an integer number (6909084).

Almost surely, 2^133648074 is an apocalyptic number.

133648074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133648074 is an abundant number, since it is smaller than the sum of its proper divisors (197987958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133648074 is a wasteful number, since it uses less digits than its factorization.

133648074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2248 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 133648074 is about 11560.6260211115. The cubic root of 133648074 is about 511.2746202796.

The spelling of 133648074 in words is "one hundred thirty-three million, six hundred forty-eight thousand, seventy-four".