133379469 has 12 divisors (see below), whose sum is σ = 192774400. Its totient is φ = 88866504.

The previous prime is 133379431. The next prime is 133379479. The reversal of 133379469 is 964973331.

It is a happy number.

It is not a de Polignac number, because 133379469 - 2¹¹ = 133377421 is a prime.

It is a super-2 number, since 2×133379469² = 35580165501443922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133379479) 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 11 ways as a sum of consecutive naturals, for example, 16842 + ... + 23460.

Almost surely, 2^133379469 is an apocalyptic number.

It is an amenable number.

133379469 is a deficient number, since it is larger than the sum of its proper divisors (59394931).

133379469 is a wasteful number, since it uses less digits than its factorization.

133379469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864 (or 8861 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 133379469 is about 11549.0029439775. The cubic root of 133379469 is about 510.9318717950.

The spelling of 133379469 in words is "one hundred thirty-three million, three hundred seventy-nine thousand, four hundred sixty-nine".