134520988368 has 320 divisors, whose sum is σ = 393634805760. Its totient is φ = 39318988800.

The previous prime is 134520988367. The next prime is 134520988369. The reversal of 134520988368 is 863889025431.

It is an interprime number because it is at equal distance from previous prime (134520988367) and next prime (134520988369).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134520988367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138538123 + ... + 138539093.

It is an arithmetic number, because the mean of its divisors is an integer number (1230108768).

Almost surely, 2^134520988368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134520988368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196817402880).

134520988368 is an abundant number, since it is smaller than the sum of its proper divisors (259113817392).

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

134520988368 is a wasteful number, since it uses less digits than its factorization.

134520988368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 134520988368 in words is "one hundred thirty-four billion, five hundred twenty million, nine hundred eighty-eight thousand, three hundred sixty-eight".