133351312 has 10 divisors (see below), whose sum is σ = 258368198. Its totient is φ = 66675648.

The previous prime is 133351303. The next prime is 133351321. The reversal of 133351312 is 213153331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133351303) and next prime (133351321).

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 14017536 = 10924^2 + 3744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167213 + ... + 4167244.

Almost surely, 2^133351312 is an apocalyptic number.

It is an amenable number.

133351312 is a deficient number, since it is larger than the sum of its proper divisors (125016886).

133351312 is an equidigital number, since it uses as much as digits as its factorization.

133351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334465 (or 8334459 counting only the distinct ones).

The product of its digits is 810, while the sum is 22.

The square root of 133351312 is about 11547.7838566541. The cubic root of 133351312 is about 510.8959159335.

The spelling of 133351312 in words is "one hundred thirty-three million, three hundred fifty-one thousand, three hundred twelve".