133132556408 has 24 divisors (see below), whose sum is σ = 251852343600. Its totient is φ = 65977145472.

The previous prime is 133132556353. The next prime is 133132556419. The reversal of 133132556408 is 804655231331.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 549488 + ... + 753791.

It is an arithmetic number, because the mean of its divisors is an integer number (10493847650).

Almost surely, 2^133132556408 is an apocalyptic number.

It is an amenable number.

133132556408 is a deficient number, since it is larger than the sum of its proper divisors (118719787192).

133132556408 is a wasteful number, since it uses less digits than its factorization.

133132556408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303511 (or 1303394 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 133132556408 its reverse (804655231331), we get a palindrome (937787787739).

The spelling of 133132556408 in words is "one hundred thirty-three billion, one hundred thirty-two million, five hundred fifty-six thousand, four hundred eight".