134198740 has 48 divisors (see below), whose sum is σ = 310922640. Its totient is φ = 48337920.

The previous prime is 134198737. The next prime is 134198749. The reversal of 134198740 is 47891431.

It can be written as a sum of positive squares in 8 ways, for example, as 68459076 + 65739664 = 8274^2 + 8108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 134198740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134198749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4366 + ... + 16954.

It is an arithmetic number, because the mean of its divisors is an integer number (6477555).

Almost surely, 2^134198740 is an apocalyptic number.

134198740 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 134198740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155461320).

134198740 is an abundant number, since it is smaller than the sum of its proper divisors (176723900).

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

134198740 is a wasteful number, since it uses less digits than its factorization.

134198740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652 (or 12650 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 134198740 is about 11584.4179827905. The cubic root of 134198740 is about 511.9758543708.

The spelling of 134198740 in words is "one hundred thirty-four million, one hundred ninety-eight thousand, seven hundred forty".