131403021333440 has 112 divisors (see below), whose sum is σ = 322874913551904. Its totient is φ = 50904926208000.

The previous prime is 131403021333439. The next prime is 131403021333457. The reversal of 131403021333440 is 44333120304131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 131403021333397 and 131403021333406.

It is a congruent number.

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, 34755386 + ... + 38350265.

It is an arithmetic number, because the mean of its divisors is an integer number (2882811728142).

Almost surely, 2^{131403021333440} is an apocalyptic number.

131403021333440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131403021333440 is an abundant number, since it is smaller than the sum of its proper divisors (191471892218464).

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

131403021333440 is a wasteful number, since it uses less digits than its factorization.

131403021333440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73105846 (or 73105836 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 131403021333440 its reverse (44333120304131), we get a palindrome (175736141637571).

The spelling of 131403021333440 in words is "one hundred thirty-one trillion, four hundred three billion, twenty-one million, three hundred thirty-three thousand, four hundred forty".