134255015540 has 24 divisors (see below), whose sum is σ = 283058792352. Its totient is φ = 53488052000.

The previous prime is 134255015539. The next prime is 134255015549. The reversal of 134255015540 is 45510552431.

It is a self number, because there is not a number n which added to its sum of digits gives 134255015540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134255015549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13366994 + ... + 13377033.

It is an arithmetic number, because the mean of its divisors is an integer number (11794116348).

Almost surely, 2^134255015540 is an apocalyptic number.

134255015540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134255015540 is an abundant number, since it is smaller than the sum of its proper divisors (148803776812).

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

134255015540 is a wasteful number, since it uses less digits than its factorization.

134255015540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26744287 (or 26744285 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 134255015540 its reverse (45510552431), we get a palindrome (179765567971).

The spelling of 134255015540 in words is "one hundred thirty-four billion, two hundred fifty-five million, fifteen thousand, five hundred forty".