135189317699 has 8 divisors (see below), whose sum is σ = 135471393072. Its totient is φ = 134907444000.

The previous prime is 135189317639. The next prime is 135189317701. The reversal of 135189317699 is 996713981531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135189317699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135189317639) 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, 1330877 + ... + 1428849.

It is an arithmetic number, because the mean of its divisors is an integer number (16933924134).

Almost surely, 2^135189317699 is an apocalyptic number.

135189317699 is a deficient number, since it is larger than the sum of its proper divisors (282075373).

135189317699 is an equidigital number, since it uses as much as digits as its factorization.

135189317699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100837.

The product of its digits is 11022480, while the sum is 62.

Adding to 135189317699 its sum of digits (62), we get a square (135189317761 = 367681²).

The spelling of 135189317699 in words is "one hundred thirty-five billion, one hundred eighty-nine million, three hundred seventeen thousand, six hundred ninety-nine".