1235440113140 has 24 divisors (see below), whose sum is σ = 2594934461952. Its totient is φ = 494078859680.

The previous prime is 1235440113139. The next prime is 1235440113181. The reversal of 1235440113140 is 413110445321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5969816 + ... + 6173295.

It is an arithmetic number, because the mean of its divisors is an integer number (108122269248).

Almost surely, 2^{1235440113140} is an apocalyptic number.

1235440113140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235440113140 is an abundant number, since it is smaller than the sum of its proper divisors (1359494348812).

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

1235440113140 is a wasteful number, since it uses less digits than its factorization.

1235440113140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148207 (or 12148205 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1235440113140 its reverse (413110445321), we get a palindrome (1648550558461).

The spelling of 1235440113140 in words is "one trillion, two hundred thirty-five billion, four hundred forty million, one hundred thirteen thousand, one hundred forty".