133514557421 has 4 divisors (see below), whose sum is σ = 152588065632. Its totient is φ = 114441049212.

The previous prime is 133514557369. The next prime is 133514557441. The reversal of 133514557421 is 124755415331.

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 not a de Polignac number, because 133514557421 - 2⁶ = 133514557357 is a prime.

It is a super-2 number, since 2×133514557421² (a number of 23 digits) 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 (133514557441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9536754095 + ... + 9536754108.

It is an arithmetic number, because the mean of its divisors is an integer number (38147016408).

Almost surely, 2^133514557421 is an apocalyptic number.

It is an amenable number.

133514557421 is a deficient number, since it is larger than the sum of its proper divisors (19073508211).

133514557421 is an equidigital number, since it uses as much as digits as its factorization.

133514557421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19073508210.

The product of its digits is 252000, while the sum is 41.

The spelling of 133514557421 in words is "one hundred thirty-three billion, five hundred fourteen million, five hundred fifty-seven thousand, four hundred twenty-one".