137648159 has 4 divisors (see below), whose sum is σ = 150161640. Its totient is φ = 125134680.

The previous prime is 137648059. The next prime is 137648219. The reversal of 137648159 is 951846731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137648159 - 2¹⁶ = 137582623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137648059) 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, 6256724 + ... + 6256745.

It is an arithmetic number, because the mean of its divisors is an integer number (37540410).

Almost surely, 2^137648159 is an apocalyptic number.

137648159 is a deficient number, since it is larger than the sum of its proper divisors (12513481).

137648159 is a wasteful number, since it uses less digits than its factorization.

137648159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12513480.

The product of its digits is 181440, while the sum is 44.

The square root of 137648159 is about 11732.3552196479. The cubic root of 137648159 is about 516.3253749281.

The spelling of 137648159 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, one hundred fifty-nine".