140205323425 has 48 divisors (see below), whose sum is σ = 184033422000. Its totient is φ = 105801292800.

The previous prime is 140205323413. The next prime is 140205323441. The reversal of 140205323425 is 524323502041.

It can be written as a sum of positive squares in 24 ways, for example, as 137264322064 + 2941001361 = 370492^2 + 54231^2 .

It is not a de Polignac number, because 140205323425 - 2¹⁵ = 140205290657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6578887 + ... + 6600163.

It is an arithmetic number, because the mean of its divisors is an integer number (3834029625).

Almost surely, 2^140205323425 is an apocalyptic number.

It is an amenable number.

140205323425 is a deficient number, since it is larger than the sum of its proper divisors (43828098575).

140205323425 is a wasteful number, since it uses less digits than its factorization.

140205323425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21526 (or 21521 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 140205323425 its reverse (524323502041), we get a palindrome (664528825466).

The spelling of 140205323425 in words is "one hundred forty billion, two hundred five million, three hundred twenty-three thousand, four hundred twenty-five".