134539860 has 192 divisors, whose sum is σ = 475743744. Its totient is φ = 27648000.

The previous prime is 134539843. The next prime is 134539861. The reversal of 134539860 is 68935431.

134539860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134539861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 223560 + ... + 224160.

It is an arithmetic number, because the mean of its divisors is an integer number (2477832).

Almost surely, 2^134539860 is an apocalyptic number.

134539860 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 134539860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237871872).

134539860 is an abundant number, since it is smaller than the sum of its proper divisors (341203884).

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

134539860 is a wasteful number, since it uses less digits than its factorization.

134539860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 134539860 is about 11599.1318640664. The cubic root of 134539860 is about 512.4092847569.

The spelling of 134539860 in words is "one hundred thirty-four million, five hundred thirty-nine thousand, eight hundred sixty".