135746370658 has 4 divisors (see below), whose sum is σ = 203619555990. Its totient is φ = 67873185328.

The previous prime is 135746370601. The next prime is 135746370701. The reversal of 135746370658 is 856073647531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 127639709289 + 8106661369 = 357267^2 + 90037^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135746370599 and 135746370608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33936592663 + ... + 33936592666.

Almost surely, 2^135746370658 is an apocalyptic number.

135746370658 is a deficient number, since it is larger than the sum of its proper divisors (67873185332).

135746370658 is an equidigital number, since it uses as much as digits as its factorization.

135746370658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67873185331.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 135746370658 in words is "one hundred thirty-five billion, seven hundred forty-six million, three hundred seventy thousand, six hundred fifty-eight".