140124234465 has 12 divisors (see below), whose sum is σ = 242882006484. Its totient is φ = 74732925024.

The previous prime is 140124234463. The next prime is 140124234499. The reversal of 140124234465 is 564432421041.

140124234465 is a `hidden beast` number, since 1 + 40 + 124 + 2 + 34 + 465 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59840412129 + 80283822336 = 244623^2 + 283344^2 .

It is not a de Polignac number, because 140124234465 - 2¹ = 140124234463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140124234463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1556935894 + ... + 1556935983.

It is an arithmetic number, because the mean of its divisors is an integer number (20240167207).

Almost surely, 2^140124234465 is an apocalyptic number.

140124234465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140124234465 is a deficient number, since it is larger than the sum of its proper divisors (102757772019).

140124234465 is a wasteful number, since it uses less digits than its factorization.

140124234465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113871888 (or 3113871885 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 140124234465 in words is "one hundred forty billion, one hundred twenty-four million, two hundred thirty-four thousand, four hundred sixty-five".