134697047820 has 24 divisors (see below), whose sum is σ = 377151734064. Its totient is φ = 35919212736.

The previous prime is 134697047791. The next prime is 134697047839. The reversal of 134697047820 is 28740796431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122475339 + ... + 1122475458.

It is an arithmetic number, because the mean of its divisors is an integer number (15714655586).

Almost surely, 2^134697047820 is an apocalyptic number.

134697047820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134697047820 is an abundant number, since it is smaller than the sum of its proper divisors (242454686244).

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

134697047820 is a wasteful number, since it uses less digits than its factorization.

134697047820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244950809 (or 2244950807 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 134697047820 in words is "one hundred thirty-four billion, six hundred ninety-seven million, forty-seven thousand, eight hundred twenty".