133917672668 has 24 divisors (see below), whose sum is σ = 252537640992. Its totient is φ = 61770360384.

The previous prime is 133917672641. The next prime is 133917672689. The reversal of 133917672668 is 866276719331.

It is a congruent number.

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, 701480 + ... + 871727.

It is an arithmetic number, because the mean of its divisors is an integer number (10522401708).

Almost surely, 2^133917672668 is an apocalyptic number.

It is an amenable number.

133917672668 is a deficient number, since it is larger than the sum of its proper divisors (118619968324).

133917672668 is a wasteful number, since it uses less digits than its factorization.

133917672668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574861 (or 1574859 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 59.

The spelling of 133917672668 in words is "one hundred thirty-three billion, nine hundred seventeen million, six hundred seventy-two thousand, six hundred sixty-eight".