133234650 has 72 divisors (see below), whose sum is σ = 376821120. Its totient is φ = 33657120.

The previous prime is 133234649. The next prime is 133234663. The reversal of 133234650 is 56432331.

It is a happy number.

133234650 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 3 + 4 + 650 = 666.

It is a super-3 number, since 3×133234650³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 759 + ... + 16341.

Almost surely, 2^133234650 is an apocalyptic number.

133234650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133234650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188410560).

133234650 is an abundant number, since it is smaller than the sum of its proper divisors (243586470).

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

133234650 is a wasteful number, since it uses less digits than its factorization.

133234650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620 (or 15612 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 133234650 is about 11542.7314791604. The cubic root of 133234650 is about 510.7468872067.

Adding to 133234650 its reverse (56432331), we get a palindrome (189666981).

The spelling of 133234650 in words is "one hundred thirty-three million, two hundred thirty-four thousand, six hundred fifty".