13739137 has 4 divisors (see below), whose sum is σ = 13998420. Its totient is φ = 13479856.

The previous prime is 13739101. The next prime is 13739161. The reversal of 13739137 is 73193731.

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 11182336 + 2556801 = 3344^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 13739137 - 2¹¹ = 13737089 is a prime.

It is a super-3 number, since 3×13739137³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13734137) 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, 129562 + ... + 129667.

It is an arithmetic number, because the mean of its divisors is an integer number (3499605).

Almost surely, 2^13739137 is an apocalyptic number.

It is an amenable number.

13739137 is a deficient number, since it is larger than the sum of its proper divisors (259283).

13739137 is an equidigital number, since it uses as much as digits as its factorization.

13739137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259282.

The product of its digits is 11907, while the sum is 34.

The square root of 13739137 is about 3706.6341875076. The cubic root of 13739137 is about 239.5078862994.

The spelling of 13739137 in words is "thirteen million, seven hundred thirty-nine thousand, one hundred thirty-seven".