136801658642 has 16 divisors (see below), whose sum is σ = 223912583712. Its totient is φ = 62167204320.

The previous prime is 136801658641. The next prime is 136801658657. The reversal of 136801658642 is 246856108631.

It is not an unprimeable number, because it can be changed into a prime (136801658641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677108 + ... + 855615.

It is an arithmetic number, because the mean of its divisors is an integer number (13994536482).

Almost surely, 2^136801658642 is an apocalyptic number.

136801658642 is a deficient number, since it is larger than the sum of its proper divisors (87110925070).

136801658642 is a wasteful number, since it uses less digits than its factorization.

136801658642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536793.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 136801658642 in words is "one hundred thirty-six billion, eight hundred one million, six hundred fifty-eight thousand, six hundred forty-two".