133059892 has 36 divisors (see below), whose sum is σ = 276004260. Its totient is φ = 55945344.

The previous prime is 133059889. The next prime is 133059911. The reversal of 133059892 is 298950331.

It can be written as a sum of positive squares in 2 ways, for example, as 69155856 + 63904036 = 8316^2 + 7994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3984 + ... + 16792.

It is an arithmetic number, because the mean of its divisors is an integer number (7666785).

Almost surely, 2^133059892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133059892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138002130).

133059892 is an abundant number, since it is smaller than the sum of its proper divisors (142944368).

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

133059892 is a wasteful number, since it uses less digits than its factorization.

133059892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880 (or 12871 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 133059892 is about 11535.1589499235. The cubic root of 133059892 is about 510.5234814639.

The spelling of 133059892 in words is "one hundred thirty-three million, fifty-nine thousand, eight hundred ninety-two".