137312671373 has 2 divisors, whose sum is σ = 137312671374. Its totient is φ = 137312671372.

The previous prime is 137312671369. The next prime is 137312671393. The reversal of 137312671373 is 373176213731.

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., 104253431689 + 33059239684 = 322883^2 + 181822^2 .

It is a cyclic number.

It is not a de Polignac number, because 137312671373 - 2² = 137312671369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137312671313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68656335686 + 68656335687.

It is an arithmetic number, because the mean of its divisors is an integer number (68656335687).

Almost surely, 2^137312671373 is an apocalyptic number.

It is an amenable number.

137312671373 is a deficient number, since it is larger than the sum of its proper divisors (1).

137312671373 is an equidigital number, since it uses as much as digits as its factorization.

137312671373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 44.

The spelling of 137312671373 in words is "one hundred thirty-seven billion, three hundred twelve million, six hundred seventy-one thousand, three hundred seventy-three".