133631623102406 has 16 divisors (see below), whose sum is σ = 235490692460688. Its totient is φ = 56069212490400.

The previous prime is 133631623102381. The next prime is 133631623102421. The reversal of 133631623102406 is 604201326136331.

It is a congruent number.

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, 233621718425 + ... + 233621718996.

It is an arithmetic number, because the mean of its divisors is an integer number (14718168278793).

Almost surely, 2^{133631623102406} is an apocalyptic number.

133631623102406 is a deficient number, since it is larger than the sum of its proper divisors (101859069358282).

133631623102406 is a wasteful number, since it uses less digits than its factorization.

133631623102406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467243437447.

The product of its (nonzero) digits is 279936, while the sum is 41.

Adding to 133631623102406 its reverse (604201326136331), we get a palindrome (737832949238737).

The spelling of 133631623102406 in words is "one hundred thirty-three trillion, six hundred thirty-one billion, six hundred twenty-three million, one hundred two thousand, four hundred six".