134142323320 has 64 divisors (see below), whose sum is σ = 327954124800. Its totient is φ = 49193101440.

The previous prime is 134142323309. The next prime is 134142323323. The reversal of 134142323320 is 23323241431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134142323323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823264 + ... + 2870383.

It is an arithmetic number, because the mean of its divisors is an integer number (5124283200).

Almost surely, 2^134142323320 is an apocalyptic number.

134142323320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134142323320 is an abundant number, since it is smaller than the sum of its proper divisors (193811801480).

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

134142323320 is a wasteful number, since it uses less digits than its factorization.

134142323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693708 (or 5693704 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 134142323320 its reverse (23323241431), we get a palindrome (157465564751).

The spelling of 134142323320 in words is "one hundred thirty-four billion, one hundred forty-two million, three hundred twenty-three thousand, three hundred twenty".