1331400532732 has 24 divisors (see below), whose sum is σ = 2574268040736. Its totient is φ = 599300494848.

The previous prime is 1331400532699. The next prime is 1331400532733. The reversal of 1331400532732 is 2372350041331.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331400532733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425637993 + ... + 425641120.

It is an arithmetic number, because the mean of its divisors is an integer number (107261168364).

Almost surely, 2^{1331400532732} is an apocalyptic number.

It is an amenable number.

1331400532732 is a deficient number, since it is larger than the sum of its proper divisors (1242867508004).

1331400532732 is a wasteful number, since it uses less digits than its factorization.

1331400532732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851279157 (or 851279155 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 1331400532732 in words is "one trillion, three hundred thirty-one billion, four hundred million, five hundred thirty-two thousand, seven hundred thirty-two".