134255234021240 has 64 divisors (see below), whose sum is σ = 322538358067200. Its totient is φ = 50172633447552.

The previous prime is 134255234021149. The next prime is 134255234021267. The reversal of 134255234021240 is 42120432552431.

It is a super-2 number, since 2×134255234021240² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134255234021194 and 134255234021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696816280 + ... + 1696895399.

It is an arithmetic number, because the mean of its divisors is an integer number (5039661844800).

Almost surely, 2^{134255234021240} is an apocalyptic number.

134255234021240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134255234021240 is an abundant number, since it is smaller than the sum of its proper divisors (188283124045960).

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

134255234021240 is a wasteful number, since it uses less digits than its factorization.

134255234021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393711756 (or 3393711752 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 134255234021240 its reverse (42120432552431), we get a palindrome (176375666573671).

The spelling of 134255234021240 in words is "one hundred thirty-four trillion, two hundred fifty-five billion, two hundred thirty-four million, twenty-one thousand, two hundred forty".