134939392 has 72 divisors (see below), whose sum is σ = 310082976. Its totient is φ = 57409536.

The previous prime is 134939351. The next prime is 134939411. The reversal of 134939392 is 293939431.

It is a happy 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, 460398 + ... + 460690.

It is an arithmetic number, because the mean of its divisors is an integer number (4306708).

Almost surely, 2^134939392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134939392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155041488).

134939392 is an abundant number, since it is smaller than the sum of its proper divisors (175143584).

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

134939392 is an equidigital number, since it uses as much as digits as its factorization.

134939392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 559 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 134939392 is about 11616.3415927735. The cubic root of 134939392 is about 512.9160034582.

The spelling of 134939392 in words is "one hundred thirty-four million, nine hundred thirty-nine thousand, three hundred ninety-two".