137660197 has 8 divisors (see below), whose sum is σ = 138614112. Its totient is φ = 136710000.

The previous prime is 137660191. The next prime is 137660213. The reversal of 137660197 is 791066731.

It is a happy number.

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 137660197 - 2³ = 137660189 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 (137660191) 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 7 ways as a sum of consecutive naturals, for example, 122683 + ... + 123799.

It is an arithmetic number, because the mean of its divisors is an integer number (17326764).

Almost surely, 2^137660197 is an apocalyptic number.

It is an amenable number.

137660197 is a deficient number, since it is larger than the sum of its proper divisors (953915).

137660197 is a wasteful number, since it uses less digits than its factorization.

137660197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 137660197 is about 11732.8682341531. The cubic root of 137660197 is about 516.3404262099.

The spelling of 137660197 in words is "one hundred thirty-seven million, six hundred sixty thousand, one hundred ninety-seven".