675320137 has 4 divisors (see below), whose sum is σ = 678748356. Its totient is φ = 671891920.

The previous prime is 675320119. The next prime is 675320147. The reversal of 675320137 is 731023576.

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 403367056 + 271953081 = 20084^2 + 16491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675320137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675320147) 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, 1713814 + ... + 1714207.

It is an arithmetic number, because the mean of its divisors is an integer number (169687089).

Almost surely, 2^675320137 is an apocalyptic number.

It is an amenable number.

675320137 is a deficient number, since it is larger than the sum of its proper divisors (3428219).

675320137 is a wasteful number, since it uses less digits than its factorization.

675320137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428218.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 675320137 is about 25986.9224226340. The cubic root of 675320137 is about 877.3439789924.

The spelling of 675320137 in words is "six hundred seventy-five million, three hundred twenty thousand, one hundred thirty-seven".