133874736 has 20 divisors (see below), whose sum is σ = 345843192. Its totient is φ = 44624896.

The previous prime is 133874731. The next prime is 133874737. The reversal of 133874736 is 637478331.

It is not an unprimeable number, because it can be changed into a prime (133874731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394481 + ... + 1394576.

Almost surely, 2^133874736 is an apocalyptic number.

133874736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133874736 is an abundant number, since it is smaller than the sum of its proper divisors (211968456).

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

133874736 is a wasteful number, since it uses less digits than its factorization.

133874736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789068 (or 2789062 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 133874736 is about 11570.4250570150. The cubic root of 133874736 is about 511.5634910757.

The spelling of 133874736 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, seven hundred thirty-six".