1340550145432 has 16 divisors (see below), whose sum is σ = 2513810970000. Its totient is φ = 670200553440.

The previous prime is 1340550145421. The next prime is 1340550145433. The reversal of 1340550145432 is 2345410550431.

It is a junction number, because it is equal to n+sod(n) for n = 1340550145391 and 1340550145400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340550145433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9238419 + ... + 9382402.

It is an arithmetic number, because the mean of its divisors is an integer number (157113185625).

Almost surely, 2^{1340550145432} is an apocalyptic number.

It is an amenable number.

1340550145432 is a deficient number, since it is larger than the sum of its proper divisors (1173260824568).

1340550145432 is a wasteful number, since it uses less digits than its factorization.

1340550145432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18629826 (or 18629822 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 1340550145432 its reverse (2345410550431), we get a palindrome (3685960695863).

The spelling of 1340550145432 in words is "one trillion, three hundred forty billion, five hundred fifty million, one hundred forty-five thousand, four hundred thirty-two".