134402340320 has 24 divisors (see below), whose sum is σ = 317525529384. Its totient is φ = 53760936064.

The previous prime is 134402340283. The next prime is 134402340329. The reversal of 134402340320 is 23043204431.

It is a self number, because there is not a number n which added to its sum of digits gives 134402340320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402340329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420007154 + ... + 420007473.

It is an arithmetic number, because the mean of its divisors is an integer number (13230230391).

Almost surely, 2^134402340320 is an apocalyptic number.

134402340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134402340320 is an abundant number, since it is smaller than the sum of its proper divisors (183123189064).

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

134402340320 is an equidigital number, since it uses as much as digits as its factorization.

134402340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840014642 (or 840014634 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 134402340320 its reverse (23043204431), we get a palindrome (157445544751).

The spelling of 134402340320 in words is "one hundred thirty-four billion, four hundred two million, three hundred forty thousand, three hundred twenty".