136943540634 has 16 divisors (see below), whose sum is σ = 274387795488. Its totient is φ = 45564394512.

The previous prime is 136943540633. The next prime is 136943540651. The reversal of 136943540634 is 436045349631.

It is not an unprimeable number, because it can be changed into a prime (136943540633) 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, 20859537 + ... + 20866100.

It is an arithmetic number, because the mean of its divisors is an integer number (17149237218).

Almost surely, 2^136943540634 is an apocalyptic number.

136943540634 is an abundant number, since it is smaller than the sum of its proper divisors (137444254854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136943540634 is a wasteful number, since it uses less digits than its factorization.

136943540634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41726189.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 136943540634 in words is "one hundred thirty-six billion, nine hundred forty-three million, five hundred forty thousand, six hundred thirty-four".