133640506235 has 8 divisors (see below), whose sum is σ = 160490198880. Its totient is φ = 106831344064.

The previous prime is 133640506213. The next prime is 133640506303. The reversal of 133640506235 is 532605046331.

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

It is a cyclic number.

It is not a de Polignac number, because 133640506235 - 2¹⁰ = 133640505211 is a prime.

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, 10125362 + ... + 10138551.

It is an arithmetic number, because the mean of its divisors is an integer number (20061274860).

Almost surely, 2^133640506235 is an apocalyptic number.

133640506235 is a deficient number, since it is larger than the sum of its proper divisors (26849692645).

133640506235 is a wasteful number, since it uses less digits than its factorization.

133640506235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20265237.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 133640506235 in words is "one hundred thirty-three billion, six hundred forty million, five hundred six thousand, two hundred thirty-five".