133333469 has 16 divisors (see below), whose sum is σ = 142658880. Its totient is φ = 124260480.

The previous prime is 133333463. The next prime is 133333489. The reversal of 133333469 is 964333331.

It is a cyclic number.

It is not a de Polignac number, because 133333469 - 2¹⁶ = 133267933 is a prime.

It is a super-2 number, since 2×133333469² = 35555627911147922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471002 + ... + 471284.

It is an arithmetic number, because the mean of its divisors is an integer number (8916180).

Almost surely, 2^133333469 is an apocalyptic number.

133333469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

133333469 is a deficient number, since it is larger than the sum of its proper divisors (9325411).

133333469 is a wasteful number, since it uses less digits than its factorization.

133333469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 52488, while the sum is 35.

The square root of 133333469 is about 11547.0112583300. The cubic root of 133333469 is about 510.8731282001.

The spelling of 133333469 in words is "one hundred thirty-three million, three hundred thirty-three thousand, four hundred sixty-nine".