133745312 has 12 divisors (see below), whose sum is σ = 263311146. Its totient is φ = 66872640.

The previous prime is 133745257. The next prime is 133745323. The reversal of 133745312 is 213547331.

It can be written as a sum of positive squares in only one way, i.e., 111429136 + 22316176 = 10556^2 + 4724^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2089739 + ... + 2089802.

Almost surely, 2^133745312 is an apocalyptic number.

It is an amenable number.

133745312 is a deficient number, since it is larger than the sum of its proper divisors (129565834).

133745312 is an equidigital number, since it uses as much as digits as its factorization.

133745312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179551 (or 4179543 counting only the distinct ones).

The product of its digits is 7560, while the sum is 29.

The square root of 133745312 is about 11564.8308245300. The cubic root of 133745312 is about 511.3985858254.

The spelling of 133745312 in words is "one hundred thirty-three million, seven hundred forty-five thousand, three hundred twelve".