134243748 has 36 divisors (see below), whose sum is σ = 340768428. Its totient is φ = 44559360.

The previous prime is 134243743. The next prime is 134243749. The reversal of 134243748 is 847342431.

It can be written as a sum of positive squares in 2 ways, for example, as 79602084 + 54641664 = 8922^2 + 7392^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (134243741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940 + ... + 16412.

Almost surely, 2^134243748 is an apocalyptic number.

134243748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

134243748 is an abundant number, since it is smaller than the sum of its proper divisors (206524680).

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

134243748 is a wasteful number, since it uses less digits than its factorization.

134243748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15724 (or 15719 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 134243748 is about 11586.3604294015. The cubic root of 134243748 is about 512.0330840031.

The spelling of 134243748 in words is "one hundred thirty-four million, two hundred forty-three thousand, seven hundred forty-eight".