140420001491401 has 2 divisors, whose sum is σ = 140420001491402. Its totient is φ = 140420001491400.

The previous prime is 140420001491389. The next prime is 140420001491449. The reversal of 140420001491401 is 104194100024041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138510420212025 + 1909581279376 = 11769045^2 + 1381876^2 .

It is a cyclic number.

It is not a de Polignac number, because 140420001491401 - 2¹⁷ = 140420001360329 is a prime.

It is not a weakly prime, because it can be changed into another prime (140420001491501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210000745700 + 70210000745701.

It is an arithmetic number, because the mean of its divisors is an integer number (70210000745701).

Almost surely, 2^{140420001491401} is an apocalyptic number.

It is an amenable number.

140420001491401 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420001491401 is an equidigital number, since it uses as much as digits as its factorization.

140420001491401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 140420001491401 in words is "one hundred forty trillion, four hundred twenty billion, one million, four hundred ninety-one thousand, four hundred one".