133111142446 has 32 divisors (see below), whose sum is σ = 203148000000. Its totient is φ = 65405347392.

The previous prime is 133111142431. The next prime is 133111142447. The reversal of 133111142446 is 644241111331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111142447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26625055 + ... + 26630053.

It is an arithmetic number, because the mean of its divisors is an integer number (6348375000).

Almost surely, 2^133111142446 is an apocalyptic number.

133111142446 is a deficient number, since it is larger than the sum of its proper divisors (70036857554).

133111142446 is a wasteful number, since it uses less digits than its factorization.

133111142446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976.

The product of its digits is 6912, while the sum is 31.

Adding to 133111142446 its reverse (644241111331), we get a palindrome (777352253777).

The spelling of 133111142446 in words is "one hundred thirty-three billion, one hundred eleven million, one hundred forty-two thousand, four hundred forty-six".