13945269 has 8 divisors (see below), whose sum is σ = 20024032. Its totient is φ = 8581680.

The previous prime is 13945237. The next prime is 13945277. The reversal of 13945269 is 96254931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13945269 - 2⁵ = 13945237 is a prime.

It is a super-2 number, since 2×13945269² = 388941054964722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 357571 = 13945269 / (1 + 3 + 9 + 4 + 5 + 2 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178747 + ... + 178824.

It is an arithmetic number, because the mean of its divisors is an integer number (2503004).

Almost surely, 2^13945269 is an apocalyptic number.

It is an amenable number.

13945269 is a deficient number, since it is larger than the sum of its proper divisors (6078763).

13945269 is a wasteful number, since it uses less digits than its factorization.

13945269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357587.

The product of its digits is 58320, while the sum is 39.

The square root of 13945269 is about 3734.3364872491. The cubic root of 13945269 is about 240.6997460262.

The spelling of 13945269 in words is "thirteen million, nine hundred forty-five thousand, two hundred sixty-nine".