135707697 has 8 divisors (see below), whose sum is σ = 201048480. Its totient is φ = 90471780.

The previous prime is 135707687. The next prime is 135707711. The reversal of 135707697 is 796707531.

135707697 is a `hidden beast` number, since 1 + 3 + 570 + 76 + 9 + 7 = 666.

It is not a de Polignac number, because 135707697 - 2⁷ = 135707569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135707647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513079 + ... + 2513132.

It is an arithmetic number, because the mean of its divisors is an integer number (25131060).

Almost surely, 2^135707697 is an apocalyptic number.

It is an amenable number.

135707697 is a deficient number, since it is larger than the sum of its proper divisors (65340783).

135707697 is an equidigital number, since it uses as much as digits as its factorization.

135707697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5026220 (or 5026214 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The square root of 135707697 is about 11649.3646607873. The cubic root of 135707697 is about 513.8876257641.

The spelling of 135707697 in words is "one hundred thirty-five million, seven hundred seven thousand, six hundred ninety-seven".