13790137 has 4 divisors (see below), whose sum is σ = 13821300. Its totient is φ = 13758976.

The previous prime is 13790113. The next prime is 13790173. The reversal of 13790137 is 73109731.

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 10653696 + 3136441 = 3264^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 13790137 - 2¹⁹ = 13265849 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13790099 and 13790108.

It is not an unprimeable number, because it can be changed into a prime (13790107) 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, 14908 + ... + 15805.

It is an arithmetic number, because the mean of its divisors is an integer number (3455325).

Almost surely, 2^13790137 is an apocalyptic number.

It is an amenable number.

13790137 is a deficient number, since it is larger than the sum of its proper divisors (31163).

13790137 is an equidigital number, since it uses as much as digits as its factorization.

13790137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31162.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13790137 is about 3713.5073717444. The cubic root of 13790137 is about 239.8038733349.

Adding to 13790137 its reverse (73109731), we get a palindrome (86899868).

The spelling of 13790137 in words is "thirteen million, seven hundred ninety thousand, one hundred thirty-seven".