133371368 has 16 divisors (see below), whose sum is σ = 269307780. Its totient is φ = 61555968.

The previous prime is 133371367. The next prime is 133371379. The reversal of 133371368 is 863173331.

It can be written as a sum of positive squares in 2 ways, for example, as 129458884 + 3912484 = 11378^2 + 1978^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (133371367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641105 + ... + 641312.

Almost surely, 2^133371368 is an apocalyptic number.

It is an amenable number.

133371368 is an abundant number, since it is smaller than the sum of its proper divisors (135936412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133371368 is a wasteful number, since it uses less digits than its factorization.

133371368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282436 (or 1282432 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 133371368 is about 11548.6522157350. The cubic root of 133371368 is about 510.9215275171.

The spelling of 133371368 in words is "one hundred thirty-three million, three hundred seventy-one thousand, three hundred sixty-eight".