134621640682 has 4 divisors (see below), whose sum is σ = 201932461026. Its totient is φ = 67310820340.

The previous prime is 134621640667. The next prime is 134621640683. The reversal of 134621640682 is 286046126431.

134621640682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 134087060041 + 534580641 = 366179^2 + 23121^2 .

It is a super-2 number, since 2×134621640682² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134621640683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33655410169 + ... + 33655410172.

Almost surely, 2^134621640682 is an apocalyptic number.

134621640682 is a deficient number, since it is larger than the sum of its proper divisors (67310820344).

134621640682 is an equidigital number, since it uses as much as digits as its factorization.

134621640682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67310820343.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 134621640682 in words is "one hundred thirty-four billion, six hundred twenty-one million, six hundred forty thousand, six hundred eighty-two".