134743720 has 16 divisors (see below), whose sum is σ = 303173460. Its totient is φ = 53897472.

The previous prime is 134743699. The next prime is 134743733. The reversal of 134743720 is 27347431.

It can be written as a sum of positive squares in 2 ways, for example, as 118243876 + 16499844 = 10874^2 + 4062^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1684257 + ... + 1684336.

Almost surely, 2^134743720 is an apocalyptic number.

134743720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134743720 is an abundant number, since it is smaller than the sum of its proper divisors (168429740).

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

134743720 is a wasteful number, since it uses less digits than its factorization.

134743720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368604 (or 3368600 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 134743720 is about 11607.9162643431. The cubic root of 134743720 is about 512.6679616047.

The spelling of 134743720 in words is "one hundred thirty-four million, seven hundred forty-three thousand, seven hundred twenty".