133469448 has 96 divisors (see below), whose sum is σ = 405240000. Its totient is φ = 35877888.

The previous prime is 133469429. The next prime is 133469449. The reversal of 133469448 is 844964331.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (133469449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47178 + ... + 49926.

It is an arithmetic number, because the mean of its divisors is an integer number (4221250).

Almost surely, 2^133469448 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 133469448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202620000).

133469448 is an abundant number, since it is smaller than the sum of its proper divisors (271770552).

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

133469448 is a wasteful number, since it uses less digits than its factorization.

133469448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2799 (or 2778 counting only the distinct ones).

The product of its digits is 248832, while the sum is 42.

The square root of 133469448 is about 11552.8978182965. The cubic root of 133469448 is about 511.0467390609.

The spelling of 133469448 in words is "one hundred thirty-three million, four hundred sixty-nine thousand, four hundred forty-eight".