134213556 has 24 divisors (see below), whose sum is σ = 326781504. Its totient is φ = 42792640.

The previous prime is 134213531. The next prime is 134213567. The reversal of 134213556 is 655312431.

It is a super-2 number, since 2×134213556² = 36026557228330272, 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, 242865 + ... + 243416.

It is an arithmetic number, because the mean of its divisors is an integer number (13615896).

Almost surely, 2^134213556 is an apocalyptic number.

It is an amenable number.

134213556 is an abundant number, since it is smaller than the sum of its proper divisors (192567948).

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

134213556 is a wasteful number, since it uses less digits than its factorization.

134213556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486311 (or 486309 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 134213556 is about 11585.0574448295. The cubic root of 134213556 is about 511.9946949727.

Adding to 134213556 its reverse (655312431), we get a palindrome (789525987).

The spelling of 134213556 in words is "one hundred thirty-four million, two hundred thirteen thousand, five hundred fifty-six".