65133292 has 48 divisors (see below), whose sum is σ = 138055680. Its totient is φ = 26265600.

The previous prime is 65133281. The next prime is 65133319. The reversal of 65133292 is 29233156.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101292 + ... + 101932.

It is an arithmetic number, because the mean of its divisors is an integer number (2876160).

Almost surely, 2^65133292 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 65133292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69027840).

65133292 is an abundant number, since it is smaller than the sum of its proper divisors (72922388).

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

65133292 is a wasteful number, since it uses less digits than its factorization.

65133292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 65133292 is about 8070.5199336846. The cubic root of 65133292 is about 402.3472244025.

The spelling of 65133292 in words is "sixty-five million, one hundred thirty-three thousand, two hundred ninety-two".