14005131249 has 16 divisors (see below), whose sum is σ = 19925595200. Its totient is φ = 8724174336.

The previous prime is 14005131223. The next prime is 14005131251. The reversal of 14005131249 is 94213150041.

It is not a de Polignac number, because 14005131249 - 2¹⁶ = 14005065713 is a prime.

It is a super-2 number, since 2×14005131249² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14005131649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1678744 + ... + 1687065.

It is an arithmetic number, because the mean of its divisors is an integer number (1245349700).

Almost surely, 2^14005131249 is an apocalyptic number.

14005131249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14005131249 is a deficient number, since it is larger than the sum of its proper divisors (5920463951).

14005131249 is a wasteful number, since it uses less digits than its factorization.

14005131249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365904.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 14005131249 in words is "fourteen billion, five million, one hundred thirty-one thousand, two hundred forty-nine".