134371840 has 40 divisors (see below), whose sum is σ = 322183620. Its totient is φ = 53747712.

The previous prime is 134371813. The next prime is 134371841. The reversal of 134371840 is 48173431.

It can be written as a sum of positive squares in 2 ways, for example, as 125798656 + 8573184 = 11216^2 + 2928^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (134371841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23685 + ... + 28804.

Almost surely, 2^134371840 is an apocalyptic number.

134371840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134371840 is an abundant number, since it is smaller than the sum of its proper divisors (187811780).

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

134371840 is an frugal number, since it uses more digits than its factorization.

134371840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52512 (or 52496 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 134371840 is about 11591.8868179430. The cubic root of 134371840 is about 512.1958885861.

The spelling of 134371840 in words is "one hundred thirty-four million, three hundred seventy-one thousand, eight hundred forty".