133201608 has 32 divisors (see below), whose sum is σ = 333312000. Its totient is φ = 44359488.

The previous prime is 133201603. The next prime is 133201633. The reversal of 133201608 is 806102331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (133201603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35385 + ... + 38967.

It is an arithmetic number, because the mean of its divisors is an integer number (10416000).

Almost surely, 2^133201608 is an apocalyptic number.

It is an amenable number.

133201608 is an abundant number, since it is smaller than the sum of its proper divisors (200110392).

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

133201608 is a wasteful number, since it uses less digits than its factorization.

133201608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141 (or 5137 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 133201608 is about 11541.3001000754. The cubic root of 133201608 is about 510.7046622201.

Adding to 133201608 its reverse (806102331), we get a palindrome (939303939).

The spelling of 133201608 in words is "one hundred thirty-three million, two hundred one thousand, six hundred eight".