134378620 has 24 divisors (see below), whose sum is σ = 282517200. Its totient is φ = 53690112.

The previous prime is 134378603. The next prime is 134378677. The reversal of 134378620 is 26873431.

It is a happy number.

It is a super-2 number, since 2×134378620² = 36115227026208800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16851 + ... + 23509.

It is an arithmetic number, because the mean of its divisors is an integer number (11771550).

Almost surely, 2^134378620 is an apocalyptic number.

134378620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134378620 is an abundant number, since it is smaller than the sum of its proper divisors (148138580).

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

134378620 is a wasteful number, since it uses less digits than its factorization.

134378620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7677 (or 7675 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 134378620 is about 11592.1792601736. The cubic root of 134378620 is about 512.2045030640.

The spelling of 134378620 in words is "one hundred thirty-four million, three hundred seventy-eight thousand, six hundred twenty".