135243107746 has 16 divisors (see below), whose sum is σ = 204889007520. Its totient is φ = 66947564800.

The previous prime is 135243107711. The next prime is 135243107777. The reversal of 135243107746 is 647701342531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145245 + ... + 539983.

It is an arithmetic number, because the mean of its divisors is an integer number (12805562970).

Almost surely, 2^135243107746 is an apocalyptic number.

135243107746 is a deficient number, since it is larger than the sum of its proper divisors (69645899774).

135243107746 is a wasteful number, since it uses less digits than its factorization.

135243107746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396449.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 135243107746 in words is "one hundred thirty-five billion, two hundred forty-three million, one hundred seven thousand, seven hundred forty-six".