140248075969 has 4 divisors (see below), whose sum is σ = 140440990144. Its totient is φ = 140055161796.

The previous prime is 140248075967. The next prime is 140248076011. The reversal of 140248075969 is 969570842041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140248075969 - 2¹ = 140248075967 is a prime.

It is a super-2 number, since 2×140248075969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140248075967) 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, 96455997 + ... + 96457450.

It is an arithmetic number, because the mean of its divisors is an integer number (35110247536).

Almost surely, 2^140248075969 is an apocalyptic number.

It is an amenable number.

140248075969 is a deficient number, since it is larger than the sum of its proper divisors (192914175).

140248075969 is an equidigital number, since it uses as much as digits as its factorization.

140248075969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192914174.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 140248075969 in words is "one hundred forty billion, two hundred forty-eight million, seventy-five thousand, nine hundred sixty-nine".