134227840 has 64 divisors (see below), whose sum is σ = 323539920. Its totient is φ = 53248000.

The previous prime is 134227789. The next prime is 134227871. The reversal of 134227840 is 48722431.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×134227840² = 36034226062131200, which contains 22 as substring.

It is a congruent 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, 83040 + ... + 84640.

Almost surely, 2^134227840 is an apocalyptic number.

134227840 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 134227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161769960).

134227840 is an abundant number, since it is smaller than the sum of its proper divisors (189312080).

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

134227840 is a wasteful number, since it uses less digits than its factorization.

134227840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 134227840 is about 11585.6739122073. The cubic root of 134227840 is about 512.0128577500.

The spelling of 134227840 in words is "one hundred thirty-four million, two hundred twenty-seven thousand, eight hundred forty".