134932188440 has 128 divisors (see below), whose sum is σ = 359593758720. Its totient is φ = 44591040000.

The previous prime is 134932188427. The next prime is 134932188449. The reversal of 134932188440 is 44881239431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134932188449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2147714 + ... + 2209646.

It is an arithmetic number, because the mean of its divisors is an integer number (2809326240).

Almost surely, 2^134932188440 is an apocalyptic number.

134932188440 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 134932188440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179796879360).

134932188440 is an abundant number, since it is smaller than the sum of its proper divisors (224661570280).

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

134932188440 is a wasteful number, since it uses less digits than its factorization.

134932188440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62233 (or 62229 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 134932188440 in words is "one hundred thirty-four billion, nine hundred thirty-two million, one hundred eighty-eight thousand, four hundred forty".