133108772 has 6 divisors (see below), whose sum is σ = 232940358. Its totient is φ = 66554384.

The previous prime is 133108757. The next prime is 133108777. The reversal of 133108772 is 277801331.

It can be written as a sum of positive squares in only one way, i.e., 106832896 + 26275876 = 10336^2 + 5126^2 .

It is not an unprimeable number, because it can be changed into a prime (133108777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16638593 + ... + 16638600.

It is an arithmetic number, because the mean of its divisors is an integer number (38823393).

Almost surely, 2^133108772 is an apocalyptic number.

It is an amenable number.

133108772 is a deficient number, since it is larger than the sum of its proper divisors (99831586).

133108772 is a wasteful number, since it uses less digits than its factorization.

133108772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33277197 (or 33277195 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 133108772 is about 11537.2774951459. The cubic root of 133108772 is about 510.5859879847.

The spelling of 133108772 in words is "one hundred thirty-three million, one hundred eight thousand, seven hundred seventy-two".