135214425440 has 48 divisors (see below), whose sum is σ = 320597412912. Its totient is φ = 53890497024.

The previous prime is 135214425407. The next prime is 135214425551. The reversal of 135214425440 is 44524412531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135214425440.

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, 1481114 + ... + 1569753.

It is an arithmetic number, because the mean of its divisors is an integer number (6679112769).

Almost surely, 2^135214425440 is an apocalyptic number.

135214425440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135214425440 is an abundant number, since it is smaller than the sum of its proper divisors (185382987472).

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

135214425440 is a wasteful number, since it uses less digits than its factorization.

135214425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3051159 (or 3051151 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 135214425440 its reverse (44524412531), we get a palindrome (179738837971).

The spelling of 135214425440 in words is "one hundred thirty-five billion, two hundred fourteen million, four hundred twenty-five thousand, four hundred forty".