135139640546 has 16 divisors (see below), whose sum is σ = 203378433984. Its totient is φ = 67347147504.

The previous prime is 135139640527. The next prime is 135139640563. The reversal of 135139640546 is 645046931531.

It is a self number, because there is not a number n which added to its sum of digits gives 135139640546.

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, 777896 + ... + 935628.

It is an arithmetic number, because the mean of its divisors is an integer number (12711152124).

Almost surely, 2^135139640546 is an apocalyptic number.

135139640546 is a deficient number, since it is larger than the sum of its proper divisors (68238793438).

135139640546 is a wasteful number, since it uses less digits than its factorization.

135139640546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159145.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 135139640546 in words is "one hundred thirty-five billion, one hundred thirty-nine million, six hundred forty thousand, five hundred forty-six".