133605666430 has 8 divisors (see below), whose sum is σ = 240490199592. Its totient is φ = 53442266568.

The previous prime is 133605666421. The next prime is 133605666451. The reversal of 133605666430 is 34666506331.

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, 6680283312 + ... + 6680283331.

It is an arithmetic number, because the mean of its divisors is an integer number (30061274949).

Almost surely, 2^133605666430 is an apocalyptic number.

133605666430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133605666430 is a deficient number, since it is larger than the sum of its proper divisors (106884533162).

133605666430 is a wasteful number, since it uses less digits than its factorization.

133605666430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13360566650.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 133605666430 in words is "one hundred thirty-three billion, six hundred five million, six hundred sixty-six thousand, four hundred thirty".