133464437 has 4 divisors (see below), whose sum is σ = 133548096. Its totient is φ = 133380780.

The previous prime is 133464391. The next prime is 133464473. The reversal of 133464437 is 734464331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133464437 - 2¹⁶ = 133398901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133464397 and 133464406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133464937) 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, 39389 + ... + 42642.

It is an arithmetic number, because the mean of its divisors is an integer number (33387024).

Almost surely, 2^133464437 is an apocalyptic number.

It is an amenable number.

133464437 is a deficient number, since it is larger than the sum of its proper divisors (83659).

133464437 is an equidigital number, since it uses as much as digits as its factorization.

133464437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83658.

The product of its digits is 72576, while the sum is 35.

The square root of 133464437 is about 11552.6809442657. The cubic root of 133464437 is about 511.0403433719.

The spelling of 133464437 in words is "one hundred thirty-three million, four hundred sixty-four thousand, four hundred thirty-seven".