134491392 has 216 divisors, whose sum is σ = 459164160. Its totient is φ = 37048320.

The previous prime is 134491391. The next prime is 134491429. The reversal of 134491392 is 293194431.

134491392 is a `hidden beast` number, since 134 + 491 + 39 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134491391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499834 + ... + 500102.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760).

Almost surely, 2^134491392 is an apocalyptic number.

134491392 is a gapful number since it is divisible by the number (12) 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 134491392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229582080).

134491392 is an abundant number, since it is smaller than the sum of its proper divisors (324672768).

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

134491392 is a wasteful number, since it uses less digits than its factorization.

134491392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 312 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 134491392 is about 11597.0423815730. The cubic root of 134491392 is about 512.3477455319.

It can be divided in two parts, 13449 and 1392, that added together give a palindrome (14841).

The spelling of 134491392 in words is "one hundred thirty-four million, four hundred ninety-one thousand, three hundred ninety-two".