136801778400670 has 32 divisors (see below), whose sum is σ = 254187297110016. Its totient is φ = 52955367348000.

The previous prime is 136801778400643. The next prime is 136801778400673. The reversal of 136801778400670 is 76004877108631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136801778400673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192512157 + ... + 193221463.

It is an arithmetic number, because the mean of its divisors is an integer number (7943353034688).

Almost surely, 2^{136801778400670} is an apocalyptic number.

136801778400670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136801778400670 is a deficient number, since it is larger than the sum of its proper divisors (117385518709346).

136801778400670 is a wasteful number, since it uses less digits than its factorization.

136801778400670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331496.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 136801778400670 in words is "one hundred thirty-six trillion, eight hundred one billion, seven hundred seventy-eight million, four hundred thousand, six hundred seventy".