137646065 has 8 divisors (see below), whose sum is σ = 167031720. Its totient is φ = 108879232.

The previous prime is 137646043. The next prime is 137646071. The reversal of 137646065 is 560646731.

It is a happy number.

137646065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27164944 + 110481121 = 5212^2 + 10511^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 137646065 - 2¹⁶ = 137580529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154214 + ... + 155103.

It is an arithmetic number, because the mean of its divisors is an integer number (20878965).

Almost surely, 2^137646065 is an apocalyptic number.

It is an amenable number.

137646065 is a deficient number, since it is larger than the sum of its proper divisors (29385655).

137646065 is an equidigital number, since it uses as much as digits as its factorization.

137646065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309411.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 137646065 is about 11732.2659789147. The cubic root of 137646065 is about 516.3227566807.

The spelling of 137646065 in words is "one hundred thirty-seven million, six hundred forty-six thousand, sixty-five".