134197940 has 24 divisors (see below), whose sum is σ = 282586920. Its totient is φ = 53532288.

The previous prime is 134197909. The next prime is 134197957. The reversal of 134197940 is 49791431.

134197940 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29463184 + 104734756 = 5428^2 + 10234^2 .

134197940 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 134197894 and 134197903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 16454.

It is an arithmetic number, because the mean of its divisors is an integer number (11774455).

Almost surely, 2^134197940 is an apocalyptic number.

134197940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134197940 is an abundant number, since it is smaller than the sum of its proper divisors (148388980).

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

134197940 is a wasteful number, since it uses less digits than its factorization.

134197940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18371 (or 18369 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 134197940 is about 11584.3834535982. The cubic root of 134197940 is about 511.9748370202.

The spelling of 134197940 in words is "one hundred thirty-four million, one hundred ninety-seven thousand, nine hundred forty".