135646937 has 2 divisors, whose sum is σ = 135646938. Its totient is φ = 135646936.

The previous prime is 135646883. The next prime is 135646943. The reversal of 135646937 is 739646531.

It is a happy number.

135646937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 37319881 = 9916^2 + 6109^2 .

It is a cyclic number.

It is not a de Polignac number, because 135646937 - 2¹² = 135642841 is a prime.

It is a super-3 number, since 3×135646937³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (135646237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67823468 + 67823469.

It is an arithmetic number, because the mean of its divisors is an integer number (67823469).

Almost surely, 2^135646937 is an apocalyptic number.

It is an amenable number.

135646937 is a deficient number, since it is larger than the sum of its proper divisors (1).

135646937 is an equidigital number, since it uses as much as digits as its factorization.

135646937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 135646937 is about 11646.7565012754. The cubic root of 135646937 is about 513.8109205270.

The spelling of 135646937 in words is "one hundred thirty-five million, six hundred forty-six thousand, nine hundred thirty-seven".