133775183378 has 16 divisors (see below), whose sum is σ = 212490687744. Its totient is φ = 62945851200.

The previous prime is 133775183363. The next prime is 133775183393. The reversal of 133775183378 is 873381577331.

It is a happy number.

133775183378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (133775183363) and next prime (133775183393).

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, 84551 + ... + 524117.

It is an arithmetic number, because the mean of its divisors is an integer number (13280667984).

Almost surely, 2^133775183378 is an apocalyptic number.

133775183378 is a deficient number, since it is larger than the sum of its proper divisors (78715504366).

133775183378 is a wasteful number, since it uses less digits than its factorization.

133775183378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448537.

The product of its digits is 8890560, while the sum is 56.

The spelling of 133775183378 in words is "one hundred thirty-three billion, seven hundred seventy-five million, one hundred eighty-three thousand, three hundred seventy-eight".