133640606642554 has 16 divisors (see below), whose sum is σ = 218686406041440. Its totient is φ = 60745236683760.

The previous prime is 133640606642513. The next prime is 133640606642663. The reversal of 133640606642554 is 455246606046331.

It is a junction number, because it is equal to n+sod(n) for n = 133640606642495 and 133640606642504.

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, 21904524 + ... + 27332935.

It is an arithmetic number, because the mean of its divisors is an integer number (13667900377590).

Almost surely, 2^{133640606642554} is an apocalyptic number.

133640606642554 is a deficient number, since it is larger than the sum of its proper divisors (85045799398886).

133640606642554 is a wasteful number, since it uses less digits than its factorization.

133640606642554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49360845.

The product of its (nonzero) digits is 37324800, while the sum is 55.

The spelling of 133640606642554 in words is "one hundred thirty-three trillion, six hundred forty billion, six hundred six million, six hundred forty-two thousand, five hundred fifty-four".