134781192 has 128 divisors (see below), whose sum is σ = 460857600. Its totient is φ = 35541504.

The previous prime is 134781181. The next prime is 134781197. The reversal of 134781192 is 291187431.

It is a happy number.

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 (134781197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16228 + ... + 23084.

It is an arithmetic number, because the mean of its divisors is an integer number (3600450).

Almost surely, 2^134781192 is an apocalyptic number.

134781192 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 134781192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230428800).

134781192 is an abundant number, since it is smaller than the sum of its proper divisors (326076408).

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

134781192 is a wasteful number, since it uses less digits than its factorization.

134781192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892 (or 6882 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 134781192 is about 11609.5302230538. The cubic root of 134781192 is about 512.7154812301.

The spelling of 134781192 in words is "one hundred thirty-four million, seven hundred eighty-one thousand, one hundred ninety-two".