134521465320 has 192 divisors, whose sum is σ = 477366177600. Its totient is φ = 32582108160.

The previous prime is 134521465319. The next prime is 134521465321. The reversal of 134521465320 is 23564125431.

134521465320 is a `hidden beast` number, since 1 + 34 + 52 + 1 + 46 + 532 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (134521465319) and next prime (134521465321).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (134521465321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4590876 + ... + 4620084.

It is an arithmetic number, because the mean of its divisors is an integer number (2486282175).

Almost surely, 2^134521465320 is an apocalyptic number.

134521465320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134521465320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238683088800).

134521465320 is an abundant number, since it is smaller than the sum of its proper divisors (342844712280).

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

134521465320 is a wasteful number, since it uses less digits than its factorization.

134521465320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30400 (or 30393 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 134521465320 in words is "one hundred thirty-four billion, five hundred twenty-one million, four hundred sixty-five thousand, three hundred twenty".