133874370 has 120 divisors (see below), whose sum is σ = 418868604. Its totient is φ = 30590784.

The previous prime is 133874369. The next prime is 133874459. The reversal of 133874370 is 73478331.

It can be written as a sum of positive squares in 2 ways, for example, as 124344801 + 9529569 = 11151^2 + 3087^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 38004 + ... + 41376.

Almost surely, 2^133874370 is an apocalyptic number.

133874370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133874370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209434302).

133874370 is an abundant number, since it is smaller than the sum of its proper divisors (284994234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133874370 is a wasteful number, since it uses less digits than its factorization.

133874370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 133874370 is about 11570.4092408177. The cubic root of 133874370 is about 511.5630248877.

It can be divided in two parts, 133 and 874370, that added together give a triangular number (874503 = T₁₃₂₂).

The spelling of 133874370 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, three hundred seventy".