134213400 has 144 divisors (see below), whose sum is σ = 454390560. Its totient is φ = 35500800.

The previous prime is 134213399. The next prime is 134213411. The reversal of 134213400 is 4312431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311185 + ... + 311615.

It is an arithmetic number, because the mean of its divisors is an integer number (3155490).

Almost surely, 2^134213400 is an apocalyptic number.

134213400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134213400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227195280).

134213400 is an abundant number, since it is smaller than the sum of its proper divisors (320177160).

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

134213400 is a wasteful number, since it uses less digits than its factorization.

134213400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134213400 is about 11585.0507120168. The cubic root of 134213400 is about 511.9944966043.

Adding to 134213400 its reverse (4312431), we get a palindrome (138525831).

The spelling of 134213400 in words is "one hundred thirty-four million, two hundred thirteen thousand, four hundred".