133667474438 has 16 divisors (see below), whose sum is σ = 212302191024. Its totient is φ = 62900328960.

The previous prime is 133667474401. The next prime is 133667474443. The reversal of 133667474438 is 834474766331.

It is a happy number.

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, 1945406 + ... + 2012942.

It is an arithmetic number, because the mean of its divisors is an integer number (13268886939).

Almost surely, 2^133667474438 is an apocalyptic number.

133667474438 is a deficient number, since it is larger than the sum of its proper divisors (78634716586).

133667474438 is a wasteful number, since it uses less digits than its factorization.

133667474438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125767.

The product of its digits is 24385536, while the sum is 56.

The spelling of 133667474438 in words is "one hundred thirty-three billion, six hundred sixty-seven million, four hundred seventy-four thousand, four hundred thirty-eight".