134206520 has 32 divisors (see below), whose sum is σ = 345103200. Its totient is φ = 46013568.

The previous prime is 134206493. The next prime is 134206531. The reversal of 134206520 is 25602431.

It is a super-2 number, since 2×134206520² = 36022780021020800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239375 + ... + 239934.

It is an arithmetic number, because the mean of its divisors is an integer number (10784475).

Almost surely, 2^134206520 is an apocalyptic number.

134206520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134206520 is an abundant number, since it is smaller than the sum of its proper divisors (210896680).

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

134206520 is a wasteful number, since it uses less digits than its factorization.

134206520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479327 (or 479323 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 134206520 is about 11584.7537738184. The cubic root of 134206520 is about 511.9857478943.

Adding to 134206520 its reverse (25602431), we get a palindrome (159808951).

The spelling of 134206520 in words is "one hundred thirty-four million, two hundred six thousand, five hundred twenty".