134205240 has 64 divisors (see below), whose sum is σ = 433591200. Its totient is φ = 33034752.

The previous prime is 134205233. The next prime is 134205263. The reversal of 134205240 is 42502431.

134205240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134205240² = 36022092886915200, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41455 + ... + 44574.

Almost surely, 2^134205240 is an apocalyptic number.

134205240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134205240 is an abundant number, since it is smaller than the sum of its proper divisors (299385960).

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

134205240 is a wasteful number, since it uses less digits than its factorization.

134205240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86056 (or 86052 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 134205240 is about 11584.6985286627. The cubic root of 134205240 is about 511.9841201943.

Adding to 134205240 its reverse (42502431), we get a palindrome (176707671).

The spelling of 134205240 in words is "one hundred thirty-four million, two hundred five thousand, two hundred forty".