133369438976 has 18 divisors (see below), whose sum is σ = 266217904092. Its totient is φ = 66684719360.

The previous prime is 133369438973. The next prime is 133369438981. The reversal of 133369438976 is 679834963331.

It is not an unprimeable number, because it can be changed into a prime (133369438973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260486930 + ... + 260487441.

Almost surely, 2^133369438976 is an apocalyptic number.

133369438976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133369438976 is a deficient number, since it is larger than the sum of its proper divisors (132848465116).

133369438976 is an frugal number, since it uses more digits than its factorization.

133369438976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520974387 (or 520974373 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 62.

The spelling of 133369438976 in words is "one hundred thirty-three billion, three hundred sixty-nine million, four hundred thirty-eight thousand, nine hundred seventy-six".