133656505142 has 16 divisors (see below), whose sum is σ = 200974478400. Its totient is φ = 66665077248.

The previous prime is 133656505141. The next prime is 133656505153. The reversal of 133656505142 is 241505656331.

It is a super-2 number, since 2×133656505142² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133656505142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133656505141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5057828 + ... + 5084184.

It is an arithmetic number, because the mean of its divisors is an integer number (12560904900).

Almost surely, 2^133656505142 is an apocalyptic number.

133656505142 is a deficient number, since it is larger than the sum of its proper divisors (67317973258).

133656505142 is a wasteful number, since it uses less digits than its factorization.

133656505142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32455.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 133656505142 in words is "one hundred thirty-three billion, six hundred fifty-six million, five hundred five thousand, one hundred forty-two".