134243551040 has 56 divisors (see below), whose sum is σ = 324169869312. Its totient is φ = 52941109760.

The previous prime is 134243551037. The next prime is 134243551081. The reversal of 134243551040 is 40155342431.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 134243550988 and 134243551006.

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, 2931584 + ... + 2977023.

Almost surely, 2^134243551040 is an apocalyptic number.

134243551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243551040 is an abundant number, since it is smaller than the sum of its proper divisors (189926318272).

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

134243551040 is an equidigital number, since it uses as much as digits as its factorization.

134243551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908695 (or 5908685 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 134243551040 its reverse (40155342431), we get a palindrome (174398893471).

The spelling of 134243551040 in words is "one hundred thirty-four billion, two hundred forty-three million, five hundred fifty-one thousand, forty".