133142346 has 16 divisors (see below), whose sum is σ = 295872000. Its totient is φ = 44380764.

The previous prime is 133142327. The next prime is 133142389. The reversal of 133142346 is 643241331.

133142346 is a `hidden beast` number, since 1 + 3 + 314 + 2 + 346 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232746 + ... + 1232853.

It is an arithmetic number, because the mean of its divisors is an integer number (18492000).

Almost surely, 2^133142346 is an apocalyptic number.

133142346 is an abundant number, since it is smaller than the sum of its proper divisors (162729654).

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

133142346 is a wasteful number, since it uses less digits than its factorization.

133142346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465610 (or 2465604 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 133142346 is about 11538.7324260510. The cubic root of 133142346 is about 510.6289127112.

Adding to 133142346 its reverse (643241331), we get a palindrome (776383677).

The spelling of 133142346 in words is "one hundred thirty-three million, one hundred forty-two thousand, three hundred forty-six".