135231034400440 has 32 divisors (see below), whose sum is σ = 331930720802160. Its totient is φ = 49174921600000.

The previous prime is 135231034400437. The next prime is 135231034400533. The reversal of 135231034400440 is 44004430132531.

It is a junction number, because it is equal to n+sod(n) for n = 135231034400396 and 135231034400405.

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, 153671629561 + ... + 153671630440.

Almost surely, 2^{135231034400440} is an apocalyptic number.

135231034400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135231034400440 is an abundant number, since it is smaller than the sum of its proper divisors (196699686401720).

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

135231034400440 is a wasteful number, since it uses less digits than its factorization.

135231034400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307343260023 (or 307343260019 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 135231034400440 its reverse (44004430132531), we get a palindrome (179235464532971).

The spelling of 135231034400440 in words is "one hundred thirty-five trillion, two hundred thirty-one billion, thirty-four million, four hundred thousand, four hundred forty".