133154622481642 has 16 divisors (see below), whose sum is σ = 199769965768800. Its totient is φ = 66564634783248.

The previous prime is 133154622481607. The next prime is 133154622481667. The reversal of 133154622481642 is 246184226451331.

It is a super-2 number, since 2×133154622481642² (a number of 29 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 133154622481642.

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, 320278408 + ... + 320693884.

It is an arithmetic number, because the mean of its divisors is an integer number (12485622860550).

Almost surely, 2^{133154622481642} is an apocalyptic number.

133154622481642 is a deficient number, since it is larger than the sum of its proper divisors (66615343287158).

133154622481642 is a wasteful number, since it uses less digits than its factorization.

133154622481642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445605.

The product of its digits is 6635520, while the sum is 52.

The spelling of 133154622481642 in words is "one hundred thirty-three trillion, one hundred fifty-four billion, six hundred twenty-two million, four hundred eighty-one thousand, six hundred forty-two".