137464697 has 2 divisors, whose sum is σ = 137464698. Its totient is φ = 137464696.

The previous prime is 137464693. The next prime is 137464711. The reversal of 137464697 is 796464731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118897216 + 18567481 = 10904^2 + 4309^2 .

It is a cyclic number.

It is not a de Polignac number, because 137464697 - 2² = 137464693 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137464693) 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 as a sum of consecutive naturals, namely, 68732348 + 68732349.

It is an arithmetic number, because the mean of its divisors is an integer number (68732349).

Almost surely, 2^137464697 is an apocalyptic number.

It is an amenable number.

137464697 is a deficient number, since it is larger than the sum of its proper divisors (1).

137464697 is an equidigital number, since it uses as much as digits as its factorization.

137464697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 137464697 is about 11724.5339779456. The cubic root of 137464697 is about 516.0958811170.

The spelling of 137464697 in words is "one hundred thirty-seven million, four hundred sixty-four thousand, six hundred ninety-seven".