134220340 has 12 divisors (see below), whose sum is σ = 281862756. Its totient is φ = 53688128.

The previous prime is 134220337. The next prime is 134220353. The reversal of 134220340 is 43022431.

It can be written as a sum of positive squares in 2 ways, for example, as 64931364 + 69288976 = 8058^2 + 8324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3355489 + ... + 3355528.

It is an arithmetic number, because the mean of its divisors is an integer number (23488563).

Almost surely, 2^134220340 is an apocalyptic number.

134220340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134220340 is an abundant number, since it is smaller than the sum of its proper divisors (147642416).

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

134220340 is a wasteful number, since it uses less digits than its factorization.

134220340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711026 (or 6711024 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 134220340 is about 11585.3502320819. The cubic root of 134220340 is about 512.0033213082.

Adding to 134220340 its reverse (43022431), we get a palindrome (177242771).

The spelling of 134220340 in words is "one hundred thirty-four million, two hundred twenty thousand, three hundred forty".