133766545 has 8 divisors (see below), whose sum is σ = 175112640. Its totient is φ = 97284720.

The previous prime is 133766543. The next prime is 133766569. The reversal of 133766545 is 545667331.

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

It is not a de Polignac number, because 133766545 - 2¹ = 133766543 is a prime.

It is a super-2 number, since 2×133766545² = 35786977122474050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133766498 and 133766507.

It is not an unprimeable number, because it can be changed into a prime (133766543) 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, 1216005 + ... + 1216114.

It is an arithmetic number, because the mean of its divisors is an integer number (21889080).

Almost surely, 2^133766545 is an apocalyptic number.

It is an amenable number.

133766545 is a deficient number, since it is larger than the sum of its proper divisors (41346095).

133766545 is a wasteful number, since it uses less digits than its factorization.

133766545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432135.

The product of its digits is 226800, while the sum is 40.

The square root of 133766545 is about 11565.7487868274. The cubic root of 133766545 is about 511.4256470894.

The spelling of 133766545 in words is "one hundred thirty-three million, seven hundred sixty-six thousand, five hundred forty-five".