133871002 has 8 divisors (see below), whose sum is σ = 201440916. Its totient is φ = 66724032.

The previous prime is 133870973. The next prime is 133871021. The reversal of 133871002 is 200178331.

It can be written as a sum of positive squares in 2 ways, for example, as 133841761 + 29241 = 11569^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104943 + ... + 106210.

Almost surely, 2^133871002 is an apocalyptic number.

133871002 is a deficient number, since it is larger than the sum of its proper divisors (67569914).

133871002 is a wasteful number, since it uses less digits than its factorization.

133871002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211472.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 133871002 is about 11570.2636962171. The cubic root of 133871002 is about 511.5587348987.

The spelling of 133871002 in words is "one hundred thirty-three million, eight hundred seventy-one thousand, two".