65090137 has 4 divisors (see below), whose sum is σ = 74388736. Its totient is φ = 55791540.

The previous prime is 65090131. The next prime is 65090149. The reversal of 65090137 is 73109056.

65090137 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.

It is not a de Polignac number, because 65090137 - 2⁷ = 65090009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65090099 and 65090108.

It is not an unprimeable number, because it can be changed into a prime (65090131) 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 3 ways as a sum of consecutive naturals, for example, 4649289 + ... + 4649302.

It is an arithmetic number, because the mean of its divisors is an integer number (18597184).

Almost surely, 2^65090137 is an apocalyptic number.

It is an amenable number.

65090137 is a deficient number, since it is larger than the sum of its proper divisors (9298599).

65090137 is an equidigital number, since it uses as much as digits as its factorization.

65090137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9298598.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 65090137 is about 8067.8458711108. The cubic root of 65090137 is about 402.2583444553.

The spelling of 65090137 in words is "sixty-five million, ninety thousand, one hundred thirty-seven".