134393400 has 144 divisors (see below), whose sum is σ = 454825800. Its totient is φ = 35562240.

The previous prime is 134393387. The next prime is 134393407. The reversal of 134393400 is 4393431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134393407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 354411 + ... + 354789.

Almost surely, 2^134393400 is an apocalyptic number.

134393400 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 134393400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227412900).

134393400 is an abundant number, since it is smaller than the sum of its proper divisors (320432400).

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

134393400 is a wasteful number, since it uses less digits than its factorization.

134393400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 134393400 is about 11592.8167414136. The cubic root of 134393400 is about 512.2232811132.

The spelling of 134393400 in words is "one hundred thirty-four million, three hundred ninety-three thousand, four hundred".