133474380377 has 12 divisors (see below), whose sum is σ = 146688627600. Its totient is φ = 121368197808.

The previous prime is 133474380343. The next prime is 133474380379. The reversal of 133474380377 is 773083474331.

It is a happy number.

It is not a de Polignac number, because 133474380377 - 2¹⁸ = 133474118233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133474380379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5882627 + ... + 5905272.

It is an arithmetic number, because the mean of its divisors is an integer number (12224052300).

Almost surely, 2^133474380377 is an apocalyptic number.

It is an amenable number.

133474380377 is a deficient number, since it is larger than the sum of its proper divisors (13214247223).

133474380377 is a wasteful number, since it uses less digits than its factorization.

133474380377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787992 (or 11787979 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 133474380377 in words is "one hundred thirty-three billion, four hundred seventy-four million, three hundred eighty thousand, three hundred seventy-seven".