13850137 has 4 divisors (see below), whose sum is σ = 15828736. Its totient is φ = 11871540.

The previous prime is 13850131. The next prime is 13850143. The reversal of 13850137 is 73105831.

13850137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73105831 = 17 ⋅4300343.

It is an interprime number because it is at equal distance from previous prime (13850131) and next prime (13850143).

It is a cyclic number.

It is not a de Polignac number, because 13850137 - 2⁷ = 13850009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13850131) 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, 989289 + ... + 989302.

It is an arithmetic number, because the mean of its divisors is an integer number (3957184).

Almost surely, 2^13850137 is an apocalyptic number.

It is an amenable number.

13850137 is a deficient number, since it is larger than the sum of its proper divisors (1978599).

13850137 is an equidigital number, since it uses as much as digits as its factorization.

13850137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978598.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 13850137 is about 3721.5772194058. The cubic root of 13850137 is about 240.1511605607.

Adding to 13850137 its reverse (73105831), we get a palindrome (86955968).

The spelling of 13850137 in words is "thirteen million, eight hundred fifty thousand, one hundred thirty-seven".