134420736 has 72 divisors (see below), whose sum is σ = 360103744. Its totient is φ = 44513280.

The previous prime is 134420707. The next prime is 134420753. The reversal of 134420736 is 637024431.

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, 138525 + ... + 139491.

Almost surely, 2^134420736 is an apocalyptic number.

134420736 is a gapful number since it is divisible by the number (16) 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 134420736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180051872).

134420736 is an abundant number, since it is smaller than the sum of its proper divisors (225683008).

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

134420736 is an equidigital number, since it uses as much as digits as its factorization.

134420736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 134420736 is about 11593.9956874237. The cubic root of 134420736 is about 512.2580079831.

The spelling of 134420736 in words is "one hundred thirty-four million, four hundred twenty thousand, seven hundred thirty-six".