133742210 has 32 divisors (see below), whose sum is σ = 276970752. Its totient is φ = 45547200.

The previous prime is 133742201. The next prime is 133742221. The reversal of 133742210 is 12247331.

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, 4244 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (8655336).

Almost surely, 2^133742210 is an apocalyptic number.

133742210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133742210 is an abundant number, since it is smaller than the sum of its proper divisors (143228542).

133742210 is a wasteful number, since it uses less digits than its factorization.

133742210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12818.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 133742210 is about 11564.6967102471. The cubic root of 133742210 is about 511.3946321151.

Adding to 133742210 its reverse (12247331), we get a palindrome (145989541).

The spelling of 133742210 in words is "one hundred thirty-three million, seven hundred forty-two thousand, two hundred ten".