135687701 has 2 divisors, whose sum is σ = 135687702. Its totient is φ = 135687700.

The previous prime is 135687697. The next prime is 135687707. The reversal of 135687701 is 107786531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73119601 + 62568100 = 8551^2 + 7910^2 .

It is a cyclic number.

It is not a de Polignac number, because 135687701 - 2² = 135687697 is a prime.

It is a super-2 number, since 2×135687701² = 36822304405330802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135687707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67843850 + 67843851.

It is an arithmetic number, because the mean of its divisors is an integer number (67843851).

Almost surely, 2^135687701 is an apocalyptic number.

It is an amenable number.

135687701 is a deficient number, since it is larger than the sum of its proper divisors (1).

135687701 is an equidigital number, since it uses as much as digits as its factorization.

135687701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 135687701 is about 11648.5063849405. The cubic root of 135687701 is about 513.8623847450.

The spelling of 135687701 in words is "one hundred thirty-five million, six hundred eighty-seven thousand, seven hundred one".