13120140431040 has 112 divisors (see below), whose sum is σ = 41657331272928. Its totient is φ = 3498629750784.

The previous prime is 13120140431039. The next prime is 13120140431093. The reversal of 13120140431040 is 4013404102131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13120140431040.

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, 56575164 + ... + 56806596.

It is an arithmetic number, because the mean of its divisors is an integer number (371940457794).

Almost surely, 2^{13120140431040} is an apocalyptic number.

13120140431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120140431040 is an abundant number, since it is smaller than the sum of its proper divisors (28537190841888).

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

13120140431040 is a wasteful number, since it uses less digits than its factorization.

13120140431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290506 (or 290496 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13120140431040 its reverse (4013404102131), we get a palindrome (17133544533171).

The spelling of 13120140431040 in words is "thirteen trillion, one hundred twenty billion, one hundred forty million, four hundred thirty-one thousand, forty".