140415354221479 has 2 divisors, whose sum is σ = 140415354221480. Its totient is φ = 140415354221478.

The previous prime is 140415354221477. The next prime is 140415354221501. The reversal of 140415354221479 is 974122453514041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140415354221479 - 2¹ = 140415354221477 is a prime.

It is a super-2 number, since 2×140415354221479² (a number of 29 digits) contains 22 as substring.

Together with 140415354221477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140415354221477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70207677110739 + 70207677110740.

It is an arithmetic number, because the mean of its divisors is an integer number (70207677110740).

Almost surely, 2^{140415354221479} is an apocalyptic number.

140415354221479 is a deficient number, since it is larger than the sum of its proper divisors (1).

140415354221479 is an equidigital number, since it uses as much as digits as its factorization.

140415354221479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 140415354221479 in words is "one hundred forty trillion, four hundred fifteen billion, three hundred fifty-four million, two hundred twenty-one thousand, four hundred seventy-nine".