133400342 has 8 divisors (see below), whose sum is σ = 201871656. Its totient is φ = 66109792.

The previous prime is 133400329. The next prime is 133400353. The reversal of 133400342 is 243004331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294908 + ... + 295359.

It is an arithmetic number, because the mean of its divisors is an integer number (25233957).

Almost surely, 2^133400342 is an apocalyptic number.

133400342 is a deficient number, since it is larger than the sum of its proper divisors (68471314).

133400342 is a wasteful number, since it uses less digits than its factorization.

133400342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590382.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133400342 is about 11549.9065797088. The cubic root of 133400342 is about 510.9585228850.

Adding to 133400342 its reverse (243004331), we get a palindrome (376404673).

The spelling of 133400342 in words is "one hundred thirty-three million, four hundred thousand, three hundred forty-two".