140126400265 has 4 divisors (see below), whose sum is σ = 168151680324. Its totient is φ = 112101120208.

The previous prime is 140126400233. The next prime is 140126400287. The reversal of 140126400265 is 562004621041.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 90808206336 + 49318193929 = 301344^2 + 222077^2 .

It is a cyclic number.

It is not a de Polignac number, because 140126400265 - 2⁵ = 140126400233 is a prime.

It is a Duffinian number.

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, 14012640022 + ... + 14012640031.

It is an arithmetic number, because the mean of its divisors is an integer number (42037920081).

Almost surely, 2^140126400265 is an apocalyptic number.

It is an amenable number.

140126400265 is a deficient number, since it is larger than the sum of its proper divisors (28025280059).

140126400265 is an equidigital number, since it uses as much as digits as its factorization.

140126400265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28025280058.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 140126400265 in words is "one hundred forty billion, one hundred twenty-six million, four hundred thousand, two hundred sixty-five".