133127496 has 128 divisors (see below), whose sum is σ = 390758400. Its totient is φ = 41912640.

The previous prime is 133127419. The next prime is 133127497. The reversal of 133127496 is 694721331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 133127496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133127497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630831 + ... + 631041.

It is an arithmetic number, because the mean of its divisors is an integer number (3052800).

Almost surely, 2^133127496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133127496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195379200).

133127496 is an abundant number, since it is smaller than the sum of its proper divisors (257630904).

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

133127496 is a wasteful number, since it uses less digits than its factorization.

133127496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 366 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 133127496 is about 11538.0889232143. The cubic root of 133127496 is about 510.6099277137.

The spelling of 133127496 in words is "one hundred thirty-three million, one hundred twenty-seven thousand, four hundred ninety-six".