134291940 has 72 divisors (see below), whose sum is σ = 393169728. Its totient is φ = 34246080.

The previous prime is 134291939. The next prime is 134291957. The reversal of 134291940 is 49192431.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29625 + ... + 33855.

Almost surely, 2^134291940 is an apocalyptic number.

134291940 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 134291940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196584864).

134291940 is an abundant number, since it is smaller than the sum of its proper divisors (258877788).

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

134291940 is a wasteful number, since it uses less digits than its factorization.

134291940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 134291940 is about 11588.4399295160. The cubic root of 134291940 is about 512.0943480509.

The spelling of 134291940 in words is "one hundred thirty-four million, two hundred ninety-one thousand, nine hundred forty".