140125451243 has 4 divisors (see below), whose sum is σ = 140128620888. Its totient is φ = 140122281600.

The previous prime is 140125451237. The next prime is 140125451261. The reversal of 140125451243 is 342154521041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140125451243 - 2⁴ = 140125451227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140125451293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1517558 + ... + 1607243.

It is an arithmetic number, because the mean of its divisors is an integer number (35032155222).

Almost surely, 2^140125451243 is an apocalyptic number.

140125451243 is a deficient number, since it is larger than the sum of its proper divisors (3169645).

140125451243 is an equidigital number, since it uses as much as digits as its factorization.

140125451243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169644.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 140125451243 its reverse (342154521041), we get a palindrome (482279972284).

The spelling of 140125451243 in words is "one hundred forty billion, one hundred twenty-five million, four hundred fifty-one thousand, two hundred forty-three".