134331340 has 72 divisors (see below), whose sum is σ = 333326448. Its totient is φ = 45077760.

The previous prime is 134331319. The next prime is 134331341. The reversal of 134331340 is 43133431.

It is a happy number.

134331340 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 (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134331341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35374 + ... + 38986.

It is an arithmetic number, because the mean of its divisors is an integer number (4629534).

Almost surely, 2^134331340 is an apocalyptic number.

134331340 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 134331340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166663224).

134331340 is an abundant number, since it is smaller than the sum of its proper divisors (198995108).

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

134331340 is a wasteful number, since it uses less digits than its factorization.

134331340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 134331340 is about 11590.1397748258. The cubic root of 134331340 is about 512.1444243857.

Adding to 134331340 its reverse (43133431), we get a palindrome (177464771).

The spelling of 134331340 in words is "one hundred thirty-four million, three hundred thirty-one thousand, three hundred forty".