133511068 has 6 divisors (see below), whose sum is σ = 233644376. Its totient is φ = 66755532.

The previous prime is 133511039. The next prime is 133511071. The reversal of 133511068 is 860115331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16688880 + ... + 16688887.

Almost surely, 2^133511068 is an apocalyptic number.

It is an amenable number.

133511068 is a deficient number, since it is larger than the sum of its proper divisors (100133308).

133511068 is a wasteful number, since it uses less digits than its factorization.

133511068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33377771 (or 33377769 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 133511068 is about 11554.6989575670. The cubic root of 133511068 is about 511.0998537253.

Adding to 133511068 its reverse (860115331), we get a palindrome (993626399).

It can be divided in two parts, 1335 and 11068, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 133511068 in words is "one hundred thirty-three million, five hundred eleven thousand, sixty-eight".