137648161 has 8 divisors (see below), whose sum is σ = 158137344. Its totient is φ = 117365280.

The previous prime is 137648059. The next prime is 137648219. The reversal of 137648161 is 161846731.

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 137648161 - 2¹⁷ = 137517089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137648161.

It is not an unprimeable number, because it can be changed into a prime (137648561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50140 + ... + 52813.

It is an arithmetic number, because the mean of its divisors is an integer number (19767168).

Almost surely, 2^137648161 is an apocalyptic number.

It is an amenable number.

137648161 is a deficient number, since it is larger than the sum of its proper divisors (20489183).

137648161 is a wasteful number, since it uses less digits than its factorization.

137648161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103151.

The product of its digits is 24192, while the sum is 37.

The square root of 137648161 is about 11732.3553048823. The cubic root of 137648161 is about 516.3253774288.

The spelling of 137648161 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, one hundred sixty-one".