133014421 has 12 divisors (see below), whose sum is σ = 141084300. Its totient is φ = 125385408.

The previous prime is 133014419. The next prime is 133014439. The reversal of 133014421 is 124410331.

It can be written as a sum of positive squares in 2 ways, for example, as 127373796 + 5640625 = 11286^2 + 2375^2 .

It is not a de Polignac number, because 133014421 - 2¹ = 133014419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133014461) 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, 81865 + ... + 83473.

It is an arithmetic number, because the mean of its divisors is an integer number (11757025).

Almost surely, 2^133014421 is an apocalyptic number.

It is an amenable number.

133014421 is a deficient number, since it is larger than the sum of its proper divisors (8069879).

133014421 is a wasteful number, since it uses less digits than its factorization.

133014421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 133014421 is about 11533.1878073671. The cubic root of 133014421 is about 510.4653205418.

Adding to 133014421 its reverse (124410331), we get a palindrome (257424752).

It can be divided in two parts, 1330 and 14421, that added together give a palindrome (15751).

The spelling of 133014421 in words is "one hundred thirty-three million, fourteen thousand, four hundred twenty-one".