134489739620 has 24 divisors (see below), whose sum is σ = 282515251200. Its totient is φ = 53779362912.

The previous prime is 134489739557. The next prime is 134489739623. The reversal of 134489739620 is 26937984431.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (134489739623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966500 + ... + 1096859.

It is an arithmetic number, because the mean of its divisors is an integer number (11771468800).

Almost surely, 2^134489739620 is an apocalyptic number.

134489739620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134489739620 is an abundant number, since it is smaller than the sum of its proper divisors (148025511580).

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

134489739620 is a wasteful number, since it uses less digits than its factorization.

134489739620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066627 (or 2066625 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 134489739620 in words is "one hundred thirty-four billion, four hundred eighty-nine million, seven hundred thirty-nine thousand, six hundred twenty".