134021020432 has 40 divisors (see below), whose sum is σ = 280016702784. Its totient is φ = 61772532864.

The previous prime is 134021020381. The next prime is 134021020439. The reversal of 134021020432 is 234020120431.

It is a super-2 number, since 2×134021020432² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134021020439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279058 + ... + 588145.

Almost surely, 2^134021020432 is an apocalyptic number.

It is an amenable number.

134021020432 is an abundant number, since it is smaller than the sum of its proper divisors (145995682352).

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

134021020432 is a wasteful number, since it uses less digits than its factorization.

134021020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867967 (or 867961 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 134021020432 its reverse (234020120431), we get a palindrome (368041140863).

Subtracting 134021020432 from its reverse (234020120431), we obtain a palindrome (99999099999).

The spelling of 134021020432 in words is "one hundred thirty-four billion, twenty-one million, twenty thousand, four hundred thirty-two".