133752123 has 6 divisors (see below), whose sum is σ = 193197524. Its totient is φ = 89168076.

The previous prime is 133752119. The next prime is 133752131. The reversal of 133752123 is 321257331.

133752123 is a `hidden beast` number, since 133 + 7 + 521 + 2 + 3 = 666.

It is not a de Polignac number, because 133752123 - 2² = 133752119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133752103) 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, 7430665 + ... + 7430682.

Almost surely, 2^133752123 is an apocalyptic number.

133752123 is a deficient number, since it is larger than the sum of its proper divisors (59445401).

133752123 is a wasteful number, since it uses less digits than its factorization.

133752123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14861353 (or 14861350 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 133752123 is about 11565.1252911501. The cubic root of 133752123 is about 511.4072666945.

The spelling of 133752123 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, one hundred twenty-three".