134431301220 has 24 divisors (see below), whose sum is σ = 376407643584. Its totient is φ = 35848346976.

The previous prime is 134431301171. The next prime is 134431301231. The reversal of 134431301220 is 22103134431.

It is a happy 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, 1120260784 + ... + 1120260903.

It is an arithmetic number, because the mean of its divisors is an integer number (15683651816).

Almost surely, 2^134431301220 is an apocalyptic number.

134431301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134431301220 is an abundant number, since it is smaller than the sum of its proper divisors (241976342364).

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

134431301220 is a wasteful number, since it uses less digits than its factorization.

134431301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240521699 (or 2240521697 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 134431301220 its reverse (22103134431), we get a palindrome (156534435651).

The spelling of 134431301220 in words is "one hundred thirty-four billion, four hundred thirty-one million, three hundred one thousand, two hundred twenty".