133940134 has 8 divisors (see below), whose sum is σ = 201920400. Its totient is φ = 66633336.

The previous prime is 133940129. The next prime is 133940167. The reversal of 133940134 is 431049331.

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, 167869 + ... + 168664.

It is an arithmetic number, because the mean of its divisors is an integer number (25240050).

Almost surely, 2^133940134 is an apocalyptic number.

133940134 is a deficient number, since it is larger than the sum of its proper divisors (67980266).

133940134 is a wasteful number, since it uses less digits than its factorization.

133940134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336734.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 133940134 is about 11573.2507965567. The cubic root of 133940134 is about 511.6467773477.

Adding to 133940134 its reverse (431049331), we get a palindrome (564989465).

The spelling of 133940134 in words is "one hundred thirty-three million, nine hundred forty thousand, one hundred thirty-four".