134021453220 has 72 divisors (see below), whose sum is σ = 406840674240. Its totient is φ = 35711895360.

The previous prime is 134021453219. The next prime is 134021453221. The reversal of 134021453220 is 22354120431.

It is an interprime number because it is at equal distance from previous prime (134021453219) and next prime (134021453221).

It is not an unprimeable number, because it can be changed into a prime (134021453221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44826 + ... + 519665.

It is an arithmetic number, because the mean of its divisors is an integer number (5650564920).

Almost surely, 2^134021453220 is an apocalyptic number.

134021453220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134021453220 is an abundant number, since it is smaller than the sum of its proper divisors (272819221020).

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

134021453220 is a wasteful number, since it uses less digits than its factorization.

134021453220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565825 (or 565820 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 134021453220 its reverse (22354120431), we get a palindrome (156375573651).

The spelling of 134021453220 in words is "one hundred thirty-four billion, twenty-one million, four hundred fifty-three thousand, two hundred twenty".