134306552640 has 448 divisors, whose sum is σ = 475850833920. Its totient is φ = 31871508480.

The previous prime is 134306552629. The next prime is 134306552663. The reversal of 134306552640 is 46255603431.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138889437 + ... + 138890403.

It is an arithmetic number, because the mean of its divisors is an integer number (1062167040).

Almost surely, 2^134306552640 is an apocalyptic number.

134306552640 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 134306552640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237925416960).

134306552640 is an abundant number, since it is smaller than the sum of its proper divisors (341544281280).

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

134306552640 is a wasteful number, since it uses less digits than its factorization.

134306552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 134306552640 in words is "one hundred thirty-four billion, three hundred six million, five hundred fifty-two thousand, six hundred forty".