1240345505132 has 6 divisors (see below), whose sum is σ = 2170604633988. Its totient is φ = 620172752564.

The previous prime is 1240345505129. The next prime is 1240345505153. The reversal of 1240345505132 is 2315055430421.

It is a junction number, because it is equal to n+sod(n) for n = 1240345505092 and 1240345505101.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 155043188138 + ... + 155043188145.

It is an arithmetic number, because the mean of its divisors is an integer number (361767438998).

Almost surely, 2^{1240345505132} is an apocalyptic number.

It is an amenable number.

1240345505132 is a deficient number, since it is larger than the sum of its proper divisors (930259128856).

1240345505132 is a wasteful number, since it uses less digits than its factorization.

1240345505132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310086376287 (or 310086376285 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1240345505132 in words is "one trillion, two hundred forty billion, three hundred forty-five million, five hundred five thousand, one hundred thirty-two".