133752441 has 8 divisors (see below), whose sum is σ = 179698464. Its totient is φ = 88487360.

The previous prime is 133752433. The next prime is 133752499. The reversal of 133752441 is 144257331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133752441 - 2³ = 133752433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133752399 and 133752408.

It is not an unprimeable number, because it can be changed into a prime (133752431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169776 + ... + 170561.

It is an arithmetic number, because the mean of its divisors is an integer number (22462308).

Almost surely, 2^133752441 is an apocalyptic number.

It is an amenable number.

133752441 is a deficient number, since it is larger than the sum of its proper divisors (45946023).

133752441 is a wasteful number, since it uses less digits than its factorization.

133752441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340471.

The product of its digits is 10080, while the sum is 30.

The square root of 133752441 is about 11565.1390393717. The cubic root of 133752441 is about 511.4076719900.

The spelling of 133752441 in words is "one hundred thirty-three million, seven hundred fifty-two thousand, four hundred forty-one".