133661001352026 has 8 divisors (see below), whose sum is σ = 267322002704064. Its totient is φ = 44553667117340.

The previous prime is 133661001351967. The next prime is 133661001352049. The reversal of 133661001352026 is 620253100166331.

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

133661001352026 is an admirable 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, 11138416779330 + ... + 11138416779341.

It is an arithmetic number, because the mean of its divisors is an integer number (33415250338008).

Almost surely, 2^{133661001352026} is an apocalyptic number.

133661001352026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133661001352026 is a wasteful number, since it uses less digits than its factorization.

133661001352026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276833558676.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 133661001352026 in words is "one hundred thirty-three trillion, six hundred sixty-one billion, one million, three hundred fifty-two thousand, twenty-six".