134423013020 has 24 divisors (see below), whose sum is σ = 298893523824. Its totient is φ = 50606310656.

The previous prime is 134423013017. The next prime is 134423013047. The reversal of 134423013020 is 20310324431.

It is a congruent number.

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, 197680562 + ... + 197681241.

It is an arithmetic number, because the mean of its divisors is an integer number (12453896826).

Almost surely, 2^134423013020 is an apocalyptic number.

134423013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134423013020 is an abundant number, since it is smaller than the sum of its proper divisors (164470510804).

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

134423013020 is a wasteful number, since it uses less digits than its factorization.

134423013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395361829 (or 395361827 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 134423013020 its reverse (20310324431), we get a palindrome (154733337451).

The spelling of 134423013020 in words is "one hundred thirty-four billion, four hundred twenty-three million, thirteen thousand, twenty".