137205097 has 4 divisors (see below), whose sum is σ = 143170560. Its totient is φ = 131239636.

The previous prime is 137205091. The next prime is 137205151. The reversal of 137205097 is 790502731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137205097 - 2¹¹ = 137203049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137205091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2982697 + ... + 2982742.

It is an arithmetic number, because the mean of its divisors is an integer number (35792640).

Almost surely, 2^137205097 is an apocalyptic number.

It is an amenable number.

137205097 is a deficient number, since it is larger than the sum of its proper divisors (5965463).

137205097 is an equidigital number, since it uses as much as digits as its factorization.

137205097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965462.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 137205097 is about 11713.4579437500. The cubic root of 137205097 is about 515.7707966382.

The spelling of 137205097 in words is "one hundred thirty-seven million, two hundred five thousand, ninety-seven".