133939402274 has 4 divisors (see below), whose sum is σ = 200909103414. Its totient is φ = 66969701136.

The previous prime is 133939402253. The next prime is 133939402321. The reversal of 133939402274 is 472204939331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472204939331 = 43 ⋅10981510217.

It can be written as a sum of positive squares in only one way, i.e., 117482361049 + 16457041225 = 342757^2 + 128285^2 .

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 as a sum of consecutive naturals, namely, 33484850567 + ... + 33484850570.

Almost surely, 2^133939402274 is an apocalyptic number.

133939402274 is a deficient number, since it is larger than the sum of its proper divisors (66969701140).

133939402274 is an equidigital number, since it uses as much as digits as its factorization.

133939402274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66969701139.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 133939402274 in words is "one hundred thirty-three billion, nine hundred thirty-nine million, four hundred two thousand, two hundred seventy-four".