133640553050 has 24 divisors (see below), whose sum is σ = 249749512032. Its totient is φ = 53202870000.

The previous prime is 133640553037. The next prime is 133640553097. The reversal of 133640553050 is 50355046331.

It is a self number, because there is not a number n which added to its sum of digits gives 133640553050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6323126 + ... + 6344225.

It is an arithmetic number, because the mean of its divisors is an integer number (10406229668).

Almost surely, 2^133640553050 is an apocalyptic number.

133640553050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133640553050 is a deficient number, since it is larger than the sum of its proper divisors (116108958982).

133640553050 is a wasteful number, since it uses less digits than its factorization.

133640553050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667574 (or 12667569 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 133640553050 its reverse (50355046331), we get a palindrome (183995599381).

The spelling of 133640553050 in words is "one hundred thirty-three billion, six hundred forty million, five hundred fifty-three thousand, fifty".