134223252240 has 160 divisors (see below), whose sum is σ = 518764225536. Its totient is φ = 27890542080.

The previous prime is 134223252239. The next prime is 134223252263. The reversal of 134223252240 is 42252322431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 134223252198 and 134223252207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3613102 + ... + 3650061.

Almost surely, 2^134223252240 is an apocalyptic number.

134223252240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134223252240 is an abundant number, since it is smaller than the sum of its proper divisors (384540973296).

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

134223252240 is a wasteful number, since it uses less digits than its factorization.

134223252240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263197 (or 7263191 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 134223252240 its reverse (42252322431), we get a palindrome (176475574671).

The spelling of 134223252240 in words is "one hundred thirty-four billion, two hundred twenty-three million, two hundred fifty-two thousand, two hundred forty".