133091862788 has 12 divisors (see below), whose sum is σ = 232960805532. Its totient is φ = 66531632640.

The previous prime is 133091862731. The next prime is 133091862793. The reversal of 133091862788 is 887268190331.

It can be written as a sum of positive squares in 2 ways, for example, as 18738324544 + 114353538244 = 136888^2 + 338162^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553733 + ... + 3590988.

It is an arithmetic number, because the mean of its divisors is an integer number (19413400461).

Almost surely, 2^133091862788 is an apocalyptic number.

It is an amenable number.

133091862788 is a deficient number, since it is larger than the sum of its proper divisors (99868942744).

133091862788 is a wasteful number, since it uses less digits than its factorization.

133091862788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7149382 (or 7149380 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 133091862788 in words is "one hundred thirty-three billion, ninety-one million, eight hundred sixty-two thousand, seven hundred eighty-eight".