140505462138472 has 16 divisors (see below), whose sum is σ = 278944667481060. Its totient is φ = 66120217476864.

The previous prime is 140505462138449. The next prime is 140505462138487. The reversal of 140505462138472 is 274831264505041.

It can be written as a sum of positive squares in 2 ways, for example, as 139541440570756 + 964021567716 = 11812766^2 + 981846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516564198903 + ... + 516564199174.

Almost surely, 2^{140505462138472} is an apocalyptic number.

It is an amenable number.

140505462138472 is a deficient number, since it is larger than the sum of its proper divisors (138439205342588).

140505462138472 is a wasteful number, since it uses less digits than its factorization.

140505462138472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033128398100 (or 1033128398096 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 140505462138472 in words is "one hundred forty trillion, five hundred five billion, four hundred sixty-two million, one hundred thirty-eight thousand, four hundred seventy-two".