140691244453 has 2 divisors, whose sum is σ = 140691244454. Its totient is φ = 140691244452.

The previous prime is 140691244429. The next prime is 140691244459. The reversal of 140691244453 is 354442196041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135997213284 + 4694031169 = 368778^2 + 68513^2 .

It is a cyclic number.

It is not a de Polignac number, because 140691244453 - 2²¹ = 140689147301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140691244459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70345622226 + 70345622227.

It is an arithmetic number, because the mean of its divisors is an integer number (70345622227).

Almost surely, 2^140691244453 is an apocalyptic number.

It is an amenable number.

140691244453 is a deficient number, since it is larger than the sum of its proper divisors (1).

140691244453 is an equidigital number, since it uses as much as digits as its factorization.

140691244453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 140691244453 in words is "one hundred forty billion, six hundred ninety-one million, two hundred forty-four thousand, four hundred fifty-three".