134123120240 has 40 divisors (see below), whose sum is σ = 312995547360. Its totient is φ = 53449799936.

The previous prime is 134123120227. The next prime is 134123120251. The reversal of 134123120240 is 42021321431.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×134123120240² (a number of 23 digits) contains 22 as substring.

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, 3094724 + ... + 3137763.

It is an arithmetic number, because the mean of its divisors is an integer number (7824888684).

Almost surely, 2^134123120240 is an apocalyptic number.

134123120240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134123120240 is an abundant number, since it is smaller than the sum of its proper divisors (178872427120).

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

134123120240 is a wasteful number, since it uses less digits than its factorization.

134123120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232769 (or 6232763 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 134123120240 its reverse (42021321431), we get a palindrome (176144441671).

The spelling of 134123120240 in words is "one hundred thirty-four billion, one hundred twenty-three million, one hundred twenty thousand, two hundred forty".