137548193 has 4 divisors (see below), whose sum is σ = 137895060. Its totient is φ = 137201328.

The previous prime is 137548141. The next prime is 137548217. The reversal of 137548193 is 391845731.

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 92698384 + 44849809 = 9628^2 + 6697^2 .

It is a cyclic number.

It is not a de Polignac number, because 137548193 - 2²⁶ = 70439329 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 137548193.

It is not an unprimeable number, because it can be changed into a prime (137548123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172838 + ... + 173631.

It is an arithmetic number, because the mean of its divisors is an integer number (34473765).

Almost surely, 2^137548193 is an apocalyptic number.

It is an amenable number.

137548193 is a deficient number, since it is larger than the sum of its proper divisors (346867).

137548193 is an equidigital number, since it uses as much as digits as its factorization.

137548193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346866.

The product of its digits is 90720, while the sum is 41.

The square root of 137548193 is about 11728.0941759520. The cubic root of 137548193 is about 516.2003521094.

The spelling of 137548193 in words is "one hundred thirty-seven million, five hundred forty-eight thousand, one hundred ninety-three".