14531520133 has 4 divisors (see below), whose sum is σ = 15649329388. Its totient is φ = 13413710880.

The previous prime is 14531520097. The next prime is 14531520163. The reversal of 14531520133 is 33102513541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3299123844 + 11232396289 = 57438^2 + 105983^2 .

It is a cyclic number.

It is not a de Polignac number, because 14531520133 - 2²¹ = 14529422981 is a prime.

It is a super-2 number, since 2×14531520133² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14531520163) 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, 558904608 + ... + 558904633.

It is an arithmetic number, because the mean of its divisors is an integer number (3912332347).

Almost surely, 2^14531520133 is an apocalyptic number.

14531520133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

14531520133 is a deficient number, since it is larger than the sum of its proper divisors (1117809255).

14531520133 is a wasteful number, since it uses less digits than its factorization.

14531520133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117809254.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 14531520133 in words is "fourteen billion, five hundred thirty-one million, five hundred twenty thousand, one hundred thirty-three".